16915880000 has 70 divisors (see below), whose sum is σ = 41945983926. Its totient is φ = 6766336000.

The previous prime is 16915879997. The next prime is 16915880057. The reversal of 16915880000 is 8851961.

It can be written as a sum of positive squares in 5 ways, for example, as 6415369216 + 10500510784 = 80096^2 + 102472^2 .

It is a super-2 number, since 2×16915880000² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 171449 + ... + 251448.

Almost surely, 2^16915880000 is an apocalyptic number.

16915880000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16915880000 is an abundant number, since it is smaller than the sum of its proper divisors (25030103926).

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

16915880000 is an frugal number, since it uses more digits than its factorization.

16915880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422929 (or 422904 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 16915880000 in words is "sixteen billion, nine hundred fifteen million, eight hundred eighty thousand".