16176897772 has 48 divisors (see below), whose sum is σ = 33963632640. Its totient is φ = 6595574400.

The previous prime is 16176897733. The next prime is 16176897799. The reversal of 16176897772 is 27779867161.

It is a self number, because there is not a number n which added to its sum of digits gives 16176897772.

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, 106729 + ... + 209152.

It is an arithmetic number, because the mean of its divisors is an integer number (707575680).

Almost surely, 2^16176897772 is an apocalyptic number.

It is an amenable number.

16176897772 is an abundant number, since it is smaller than the sum of its proper divisors (17786734868).

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

16176897772 is a wasteful number, since it uses less digits than its factorization.

16176897772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315982 (or 315980 counting only the distinct ones).

The product of its digits is 12446784, while the sum is 61.

The spelling of 16176897772 in words is "sixteen billion, one hundred seventy-six million, eight hundred ninety-seven thousand, seven hundred seventy-two".