102664866 has 16 divisors (see below), whose sum is σ = 216136800. Its totient is φ = 32420448.

The previous prime is 102664823. The next prime is 102664871. The reversal of 102664866 is 668466201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450171 + ... + 450398.

It is an arithmetic number, because the mean of its divisors is an integer number (13508550).

Almost surely, 2^102664866 is an apocalyptic number.

102664866 is an abundant number, since it is smaller than the sum of its proper divisors (113471934).

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

102664866 is a wasteful number, since it uses less digits than its factorization.

102664866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900593.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 102664866 is about 10132.3672456144. The cubic root of 102664866 is about 468.2458621215.

The spelling of 102664866 in words is "one hundred two million, six hundred sixty-four thousand, eight hundred sixty-six".