16264145531 has 16 divisors (see below), whose sum is σ = 17340148224. Its totient is φ = 15201573504.

The previous prime is 16264145519. The next prime is 16264145539. The reversal of 16264145531 is 13554146261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16264145531 is a prime.

It is a super-2 number, since 2×16264145531² (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 (16264145539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4208306 + ... + 4212168.

It is an arithmetic number, because the mean of its divisors is an integer number (1083759264).

Almost surely, 2^16264145531 is an apocalyptic number.

16264145531 is a deficient number, since it is larger than the sum of its proper divisors (1076002693).

16264145531 is a wasteful number, since it uses less digits than its factorization.

16264145531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530.

The product of its digits is 86400, while the sum is 38.

The spelling of 16264145531 in words is "sixteen billion, two hundred sixty-four million, one hundred forty-five thousand, five hundred thirty-one".