3656212553156 has 12 divisors (see below), whose sum is σ = 6398903346192. Its totient is φ = 1827954454248.

The previous prime is 3656212553137. The next prime is 3656212553221. The reversal of 3656212553156 is 6513552126563.

It is a happy number.

It is a super-2 number, since 2×3656212553156² (a number of 26 digits) contains 22 as substring.

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, 37901390 + ... + 37997733.

It is an arithmetic number, because the mean of its divisors is an integer number (533241945516).

Almost surely, 2^{3656212553156} is an apocalyptic number.

It is an amenable number.

3656212553156 is a deficient number, since it is larger than the sum of its proper divisors (2742690793036).

3656212553156 is a wasteful number, since it uses less digits than its factorization.

3656212553156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75911170 (or 75911168 counting only the distinct ones).

The product of its digits is 4860000, while the sum is 50.

The spelling of 3656212553156 in words is "three trillion, six hundred fifty-six billion, two hundred twelve million, five hundred fifty-three thousand, one hundred fifty-six".