988185518216 has 16 divisors (see below), whose sum is σ = 1995374604300. Its totient is φ = 456085623744.

The previous prime is 988185518191. The next prime is 988185518239. The reversal of 988185518216 is 612815581889.

It can be written as a sum of positive squares in 2 ways, for example, as 767148256900 + 221037261316 = 875870^2 + 470146^2 .

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

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, 4750891811 + ... + 4750892018.

Almost surely, 2^988185518216 is an apocalyptic number.

It is an amenable number.

988185518216 is an abundant number, since it is smaller than the sum of its proper divisors (1007189086084).

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

988185518216 is a wasteful number, since it uses less digits than its factorization.

988185518216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9501783848 (or 9501783844 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 62.

The spelling of 988185518216 in words is "nine hundred eighty-eight billion, one hundred eighty-five million, five hundred eighteen thousand, two hundred sixteen".