102647756660 has 12 divisors (see below), whose sum is σ = 215560289028. Its totient is φ = 41059102656.

The previous prime is 102647756639. The next prime is 102647756711. The reversal of 102647756660 is 66657746201.

It can be written as a sum of positive squares in 2 ways, for example, as 66534075364 + 36113681296 = 257942^2 + 190036^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 102647756599 and 102647756608.

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, 2566193897 + ... + 2566193936.

It is an arithmetic number, because the mean of its divisors is an integer number (17963357419).

Almost surely, 2^102647756660 is an apocalyptic number.

102647756660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102647756660 is an abundant number, since it is smaller than the sum of its proper divisors (112912532368).

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

102647756660 is a wasteful number, since it uses less digits than its factorization.

102647756660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132387842 (or 5132387840 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 102647756660 in words is "one hundred two billion, six hundred forty-seven million, seven hundred fifty-six thousand, six hundred sixty".