16871682972 has 48 divisors (see below), whose sum is σ = 39794750240. Its totient is φ = 5562888192.

The previous prime is 16871682943. The next prime is 16871682991. The reversal of 16871682972 is 27928617861.

It is a congruent number.

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, 3392904 + ... + 3397872.

Almost surely, 2^16871682972 is an apocalyptic number.

16871682972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16871682972 is an abundant number, since it is smaller than the sum of its proper divisors (22923067268).

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

16871682972 is a wasteful number, since it uses less digits than its factorization.

16871682972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7990 (or 7988 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 57.

The spelling of 16871682972 in words is "sixteen billion, eight hundred seventy-one million, six hundred eighty-two thousand, nine hundred seventy-two".