102321618856216 has 64 divisors (see below), whose sum is σ = 205433540776800. Its totient is φ = 47607408549888.

The previous prime is 102321618856157. The next prime is 102321618856241. The reversal of 102321618856216 is 612658816123201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204101476 + ... + 204602188.

Almost surely, 2^{102321618856216} is an apocalyptic number.

It is an amenable number.

102321618856216 is an abundant number, since it is smaller than the sum of its proper divisors (103111921920584).

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

102321618856216 is a wasteful number, since it uses less digits than its factorization.

102321618856216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517708 (or 517704 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 102321618856216 in words is "one hundred two trillion, three hundred twenty-one billion, six hundred eighteen million, eight hundred fifty-six thousand, two hundred sixteen".