102100065661660 has 24 divisors (see below), whose sum is σ = 233901968607216. Its totient is φ = 37127296604160.

The previous prime is 102100065661637. The next prime is 102100065661673. The reversal of 102100065661660 is 66166560001201.

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, 232045603557 + ... + 232045603996.

It is an arithmetic number, because the mean of its divisors is an integer number (9745915358634).

Almost surely, 2^{102100065661660} is an apocalyptic number.

102100065661660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102100065661660 is an abundant number, since it is smaller than the sum of its proper divisors (131801902945556).

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

102100065661660 is a wasteful number, since it uses less digits than its factorization.

102100065661660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464091207573 (or 464091207571 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 102100065661660 in words is "one hundred two trillion, one hundred billion, sixty-five million, six hundred sixty-one thousand, six hundred sixty".