102655432860 has 24 divisors (see below), whose sum is σ = 287435212176. Its totient is φ = 27374782080.

The previous prime is 102655432853. The next prime is 102655432903. The reversal of 102655432860 is 68234556201.

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, 855461881 + ... + 855462000.

It is an arithmetic number, because the mean of its divisors is an integer number (11976467174).

Almost surely, 2^102655432860 is an apocalyptic number.

102655432860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102655432860 is an abundant number, since it is smaller than the sum of its proper divisors (184779779316).

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

102655432860 is a wasteful number, since it uses less digits than its factorization.

102655432860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710923893 (or 1710923891 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 102655432860 in words is "one hundred two billion, six hundred fifty-five million, four hundred thirty-two thousand, eight hundred sixty".