16987474392 has 64 divisors (see below), whose sum is σ = 49664398080. Its totient is φ = 4740688512.

The previous prime is 16987474369. The next prime is 16987474423. The reversal of 16987474392 is 29347478961.

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, 1168543 + ... + 1182990.

It is an arithmetic number, because the mean of its divisors is an integer number (776006220).

Almost surely, 2^16987474392 is an apocalyptic number.

16987474392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16987474392 is an abundant number, since it is smaller than the sum of its proper divisors (32676923688).

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

16987474392 is a wasteful number, since it uses less digits than its factorization.

16987474392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351592 (or 2351588 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 60.

The spelling of 16987474392 in words is "sixteen billion, nine hundred eighty-seven million, four hundred seventy-four thousand, three hundred ninety-two".