102818664 has 48 divisors (see below), whose sum is σ = 299890500. Its totient is φ = 31636224.

The previous prime is 102818647. The next prime is 102818689. The reversal of 102818664 is 466818201.

It can be written as a sum of positive squares in 2 ways, for example, as 84824100 + 17994564 = 9210^2 + 4242^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53989 + ... + 55860.

Almost surely, 2^102818664 is an apocalyptic number.

It is an amenable number.

102818664 is an abundant number, since it is smaller than the sum of its proper divisors (197071836).

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

102818664 is a wasteful number, since it uses less digits than its factorization.

102818664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109874 (or 109867 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 102818664 is about 10139.9538460488. The cubic root of 102818664 is about 468.4795653956.

The spelling of 102818664 in words is "one hundred two million, eight hundred eighteen thousand, six hundred sixty-four".