16052591508 has 12 divisors (see below), whose sum is σ = 37456046880. Its totient is φ = 5350863832.

The previous prime is 16052591507. The next prime is 16052591521. The reversal of 16052591508 is 80519525061.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 16052591508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16052591507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668857968 + ... + 668857991.

It is an arithmetic number, because the mean of its divisors is an integer number (3121337240).

Almost surely, 2^16052591508 is an apocalyptic number.

It is an amenable number.

16052591508 is an abundant number, since it is smaller than the sum of its proper divisors (21403455372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16052591508 is a wasteful number, since it uses less digits than its factorization.

16052591508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337715966 (or 1337715964 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 42.

The spelling of 16052591508 in words is "sixteen billion, fifty-two million, five hundred ninety-one thousand, five hundred eight".