102281861568 has 56 divisors (see below), whose sum is σ = 284863966720. Its totient is φ = 32299534080.

The previous prime is 102281861551. The next prime is 102281861573. The reversal of 102281861568 is 865168182201.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 14015248 + ... + 14022543.

Almost surely, 2^102281861568 is an apocalyptic number.

It is an amenable number.

102281861568 is an abundant number, since it is smaller than the sum of its proper divisors (182582105152).

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

102281861568 is a wasteful number, since it uses less digits than its factorization.

102281861568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28037825 (or 28037815 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 48.

The spelling of 102281861568 in words is "one hundred two billion, two hundred eighty-one million, eight hundred sixty-one thousand, five hundred sixty-eight".