16134448513 has 4 divisors (see below), whose sum is σ = 16135667668. Its totient is φ = 16133229360.

The previous prime is 16134448487. The next prime is 16134448531. The reversal of 16134448513 is 31584443161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31584443161 = 1489 ⋅21211849.

It can be written as a sum of positive squares in 2 ways, for example, as 10702316304 + 5432132209 = 103452^2 + 73703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16134448513 is a prime.

It is a super-2 number, since 2×16134448513² (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 (16134448013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589506 + ... + 616267.

It is an arithmetic number, because the mean of its divisors is an integer number (4033916917).

Almost surely, 2^16134448513 is an apocalyptic number.

It is an amenable number.

16134448513 is a deficient number, since it is larger than the sum of its proper divisors (1219155).

16134448513 is a wasteful number, since it uses less digits than its factorization.

16134448513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219154.

The product of its digits is 138240, while the sum is 40.

The spelling of 16134448513 in words is "sixteen billion, one hundred thirty-four million, four hundred forty-eight thousand, five hundred thirteen".