816888102 has 64 divisors (see below), whose sum is σ = 1737469440. Its totient is φ = 255521024.

The previous prime is 816888089. The next prime is 816888151. The reversal of 816888102 is 201888618.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2787868 + ... + 2788160.

It is an arithmetic number, because the mean of its divisors is an integer number (27147960).

Almost surely, 2^816888102 is an apocalyptic number.

816888102 is an abundant number, since it is smaller than the sum of its proper divisors (920581338).

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

816888102 is a wasteful number, since it uses less digits than its factorization.

816888102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637.

The product of its (nonzero) digits is 49152, while the sum is 42.

The square root of 816888102 is about 28581.2543811499. The cubic root of 816888102 is about 934.8046345610.

The spelling of 816888102 in words is "eight hundred sixteen million, eight hundred eighty-eight thousand, one hundred two".