3656847404148 has 48 divisors (see below), whose sum is σ = 8612907932160. Its totient is φ = 1207484226144.

The previous prime is 3656847404137. The next prime is 3656847404173. The reversal of 3656847404148 is 8414047486563.

It is a junction number, because it is equal to n+sod(n) for n = 3656847404091 and 3656847404100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23783943 + ... + 23937201.

It is an arithmetic number, because the mean of its divisors is an integer number (179435581920).

Almost surely, 2^{3656847404148} is an apocalyptic number.

It is an amenable number.

3656847404148 is an abundant number, since it is smaller than the sum of its proper divisors (4956060528012).

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

3656847404148 is a wasteful number, since it uses less digits than its factorization.

3656847404148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171956 (or 171954 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 60.

The spelling of 3656847404148 in words is "three trillion, six hundred fifty-six billion, eight hundred forty-seven million, four hundred four thousand, one hundred forty-eight".