3655664405124 has 12 divisors (see below), whose sum is σ = 8529883611984. Its totient is φ = 1218554801704.

The previous prime is 3655664405119. The next prime is 3655664405137. The reversal of 3655664405124 is 4215044665563.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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, 152319350202 + ... + 152319350225.

It is an arithmetic number, because the mean of its divisors is an integer number (710823634332).

Almost surely, 2^{3655664405124} is an apocalyptic number.

It is an amenable number.

3655664405124 is an abundant number, since it is smaller than the sum of its proper divisors (4874219206860).

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

3655664405124 is a wasteful number, since it uses less digits than its factorization.

3655664405124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304638700434 (or 304638700432 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 51.

The spelling of 3655664405124 in words is "three trillion, six hundred fifty-five billion, six hundred sixty-four million, four hundred five thousand, one hundred twenty-four".