102665064 has 32 divisors (see below), whose sum is σ = 257605920. Its totient is φ = 34095936.

The previous prime is 102665041. The next prime is 102665071. The reversal of 102665064 is 460566201.

It is a super-2 number, since 2×102665064² = 21080230732248192, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1074 + ... + 14369.

It is an arithmetic number, because the mean of its divisors is an integer number (8050185).

Almost surely, 2^102665064 is an apocalyptic number.

It is an amenable number.

102665064 is an abundant number, since it is smaller than the sum of its proper divisors (154940856).

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

102665064 is a wasteful number, since it uses less digits than its factorization.

102665064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15729 (or 15725 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 102665064 is about 10132.3770162781. The cubic root of 102665064 is about 468.2461631418.

The spelling of 102665064 in words is "one hundred two million, six hundred sixty-five thousand, sixty-four".