16515252364 has 48 divisors (see below), whose sum is σ = 31987938528. Its totient is φ = 7411350528.

The previous prime is 16515252349. The next prime is 16515252389. The reversal of 16515252364 is 46325251561.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5572347 + ... + 5575309.

It is an arithmetic number, because the mean of its divisors is an integer number (666415386).

Almost surely, 2^16515252364 is an apocalyptic number.

It is an amenable number.

16515252364 is a deficient number, since it is larger than the sum of its proper divisors (15472686164).

16515252364 is a wasteful number, since it uses less digits than its factorization.

16515252364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5914 (or 5912 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The spelling of 16515252364 in words is "sixteen billion, five hundred fifteen million, two hundred fifty-two thousand, three hundred sixty-four".