16631165352 has 32 divisors (see below), whose sum is σ = 41581864800. Its totient is φ = 5543194944.

The previous prime is 16631165351. The next prime is 16631165357. The reversal of 16631165352 is 25356113661.

It is a self number, because there is not a number n which added to its sum of digits gives 16631165352.

It is not an unprimeable number, because it can be changed into a prime (16631165351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289174 + ... + 341882.

It is an arithmetic number, because the mean of its divisors is an integer number (1299433275).

Almost surely, 2^16631165352 is an apocalyptic number.

16631165352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16631165352 is an abundant number, since it is smaller than the sum of its proper divisors (24950699448).

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

16631165352 is a wasteful number, since it uses less digits than its factorization.

16631165352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65865 (or 65861 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The spelling of 16631165352 in words is "sixteen billion, six hundred thirty-one million, one hundred sixty-five thousand, three hundred fifty-two".