16502253488 has 20 divisors (see below), whose sum is σ = 36540704400. Its totient is φ = 7072394304.

The previous prime is 16502253461. The next prime is 16502253499. The reversal of 16502253488 is 88435220561.

It is a super-2 number, since 2×16502253488² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73670663 + ... + 73670886.

It is an arithmetic number, because the mean of its divisors is an integer number (1827035220).

Almost surely, 2^16502253488 is an apocalyptic number.

It is an amenable number.

16502253488 is an abundant number, since it is smaller than the sum of its proper divisors (20038450912).

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

16502253488 is a wasteful number, since it uses less digits than its factorization.

16502253488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147341564 (or 147341558 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 16502253488 in words is "sixteen billion, five hundred two million, two hundred fifty-three thousand, four hundred eighty-eight".