3655214356671 has 12 divisors (see below), whose sum is σ = 5279838892120. Its totient is φ = 2436770422800.

The previous prime is 3655214356667. The next prime is 3655214356679. The reversal of 3655214356671 is 1766534125563.

3655214356671 is a `hidden beast` number, since 3 + 6 + 5 + 5 + 2 + 1 + 4 + 3 + 566 + 71 = 666.

It is not a de Polignac number, because 3655214356671 - 2² = 3655214356667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3655214356679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2665276 + ... + 3796593.

Almost surely, 2^{3655214356671} is an apocalyptic number.

3655214356671 is a deficient number, since it is larger than the sum of its proper divisors (1624624535449).

3655214356671 is a wasteful number, since it uses less digits than its factorization.

3655214356671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6524726 (or 6524723 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 54.

The spelling of 3655214356671 in words is "three trillion, six hundred fifty-five billion, two hundred fourteen million, three hundred fifty-six thousand, six hundred seventy-one".