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16496062969 = 1284372
BaseRepresentation
bin11110101110011110…
…11111000111111001
31120120122020211021011
433113033133013321
5232240443003334
611324515513521
71122534136021
oct172717370771
946518224234
1016496062969
116aa56632a1
1232445b88a1
13172b790309
14b26bc0a81
15668332564
hex3d73df1f9

16496062969 has 3 divisors (see below), whose sum is σ = 16496191407. Its totient is φ = 16495934532.

The previous prime is 16496062949. The next prime is 16496063009. The reversal of 16496062969 is 96926069461.

The square root of 16496062969 is 128437.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 471541225 + 16024521744 = 21715^2 + 126588^2 .

It is not a de Polignac number, because 16496062969 - 211 = 16496060921 is a prime.

It is a super-2 number, since 2×164960629692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16496062909) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 64219 + ... + 192655.

It is an arithmetic number, because the mean of its divisors is an integer number (5498730469).

Almost surely, 216496062969 is an apocalyptic number.

16496062969 is the 128437-th square number.

16496062969 is the 64219-th centered octagonal number.

It is an amenable number.

16496062969 is a deficient number, since it is larger than the sum of its proper divisors (128438).

16496062969 is an frugal number, since it uses more digits than its factorization.

16496062969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256874 (or 128437 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 58.

The spelling of 16496062969 in words is "sixteen billion, four hundred ninety-six million, sixty-two thousand, nine hundred sixty-nine".

Divisors: 1 128437 16496062969