16731516172 has 24 divisors (see below), whose sum is σ = 33483247616. Its totient is φ = 7166317968.

The previous prime is 16731516167. The next prime is 16731516173. The reversal of 16731516172 is 27161513761.

16731516172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16731516173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133098 + ... + 226225.

Almost surely, 2^16731516172 is an apocalyptic number.

It is an amenable number.

16731516172 is an abundant number, since it is smaller than the sum of its proper divisors (16751731444).

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

16731516172 is a wasteful number, since it uses less digits than its factorization.

16731516172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360997 (or 360995 counting only the distinct ones).

The product of its digits is 52920, while the sum is 40.

The spelling of 16731516172 in words is "sixteen billion, seven hundred thirty-one million, five hundred sixteen thousand, one hundred seventy-two".