16972645480 has 48 divisors (see below), whose sum is σ = 44423306820. Its totient is φ = 5819192064.

The previous prime is 16972645447. The next prime is 16972645559. The reversal of 16972645480 is 8454627961.

It can be written as a sum of positive squares in 2 ways, for example, as 16398851364 + 573794116 = 128058^2 + 23954^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4327797 + ... + 4331716.

Almost surely, 2^16972645480 is an apocalyptic number.

16972645480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16972645480 is an abundant number, since it is smaller than the sum of its proper divisors (27450661340).

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

16972645480 is a wasteful number, since it uses less digits than its factorization.

16972645480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8659538 (or 8659527 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 16972645480 in words is "sixteen billion, nine hundred seventy-two million, six hundred forty-five thousand, four hundred eighty".