16241407783969 has 3 divisors (see below), whose sum is σ = 16241411814033. Its totient is φ = 16241403753906.

The previous prime is 16241407783957. The next prime is 16241407784047. The reversal of 16241407783969 is 96938770414261.

The square root of 16241407783969 is 4030063.

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 is not a de Polignac number, because 16241407783969 - 2¹⁹ = 16241407259681 is a prime.

It is a super-2 number, since 2×16241407783969² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16241407753969) 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, 2015032 + ... + 6045094.

It is an arithmetic number, because the mean of its divisors is an integer number (5413803938011).

Almost surely, 2^{16241407783969} is an apocalyptic number.

16241407783969 is the 4030063-rd square number.

16241407783969 is the 2015032-nd centered octagonal number.

It is an amenable number.

16241407783969 is a deficient number, since it is larger than the sum of its proper divisors (4030064).

16241407783969 is an frugal number, since it uses more digits than its factorization.

16241407783969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8060126 (or 4030063 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 67.

The spelling of 16241407783969 in words is "sixteen trillion, two hundred forty-one billion, four hundred seven million, seven hundred eighty-three thousand, nine hundred sixty-nine".