102256660 has 24 divisors (see below), whose sum is σ = 234261216. Its totient is φ = 37184160.

The previous prime is 102256621. The next prime is 102256681. The reversal of 102256660 is 66652201.

It is a congruent number.

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, 232182 + ... + 232621.

It is an arithmetic number, because the mean of its divisors is an integer number (9760884).

Almost surely, 2^102256660 is an apocalyptic number.

102256660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102256660 is an abundant number, since it is smaller than the sum of its proper divisors (132004556).

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

102256660 is a wasteful number, since it uses less digits than its factorization.

102256660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464823 (or 464821 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 102256660 is about 10112.2035185216. The cubic root of 102256660 is about 467.6244399782.

The spelling of 102256660 in words is "one hundred two million, two hundred fifty-six thousand, six hundred sixty".