102308816 has 20 divisors (see below), whose sum is σ = 198549792. Its totient is φ = 51070176.

The previous prime is 102308809. The next prime is 102308821. The reversal of 102308816 is 618803201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5411 + ... + 15293.

Almost surely, 2^102308816 is an apocalyptic number.

102308816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102308816 is a deficient number, since it is larger than the sum of its proper divisors (96240976).

102308816 is an equidigital number, since it uses as much as digits as its factorization.

102308816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10538 (or 10532 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 102308816 is about 10114.7820540039. The cubic root of 102308816 is about 467.7039303992.

The spelling of 102308816 in words is "one hundred two million, three hundred eight thousand, eight hundred sixteen".