16872984976 has 20 divisors (see below), whose sum is σ = 34614432972. Its totient is φ = 7940228096.

The previous prime is 16872984949. The next prime is 16872985021. The reversal of 16872984976 is 67948927861.

It can be written as a sum of positive squares in 2 ways, for example, as 4844160000 + 12028824976 = 69600^2 + 109676^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31016245 + ... + 31016788.

Almost surely, 2^16872984976 is an apocalyptic number.

16872984976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16872984976 is an abundant number, since it is smaller than the sum of its proper divisors (17741447996).

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

16872984976 is a wasteful number, since it uses less digits than its factorization.

16872984976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62033058 (or 62033052 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 67.

The spelling of 16872984976 in words is "sixteen billion, eight hundred seventy-two million, nine hundred eighty-four thousand, nine hundred seventy-six".