16987538496 has 56 divisors (see below), whose sum is σ = 45029550784. Its totient is φ = 5652011520.

The previous prime is 16987538489. The next prime is 16987538497. The reversal of 16987538496 is 69483578961.

It is not an unprimeable number, because it can be changed into a prime (16987538497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22101 + ... + 185643.

Almost surely, 2^16987538496 is an apocalyptic number.

16987538496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16987538496 is an abundant number, since it is smaller than the sum of its proper divisors (28042012288).

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

16987538496 is a wasteful number, since it uses less digits than its factorization.

16987538496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164099 (or 164089 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 66.

The spelling of 16987538496 in words is "sixteen billion, nine hundred eighty-seven million, five hundred thirty-eight thousand, four hundred ninety-six".