3656126468 has 12 divisors (see below), whose sum is σ = 6426408912. Its totient is φ = 1820009640.

The previous prime is 3656126449. The next prime is 3656126489. The reversal of 3656126468 is 8646216563.

It is a happy number.

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, 2012378 + ... + 2014193.

It is an arithmetic number, because the mean of its divisors is an integer number (535534076).

Almost surely, 2^3656126468 is an apocalyptic number.

It is an amenable number.

3656126468 is a deficient number, since it is larger than the sum of its proper divisors (2770282444).

3656126468 is a wasteful number, since it uses less digits than its factorization.

3656126468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026802 (or 4026800 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 47.

The square root of 3656126468 is about 60465.9116196887. The cubic root of 3656126468 is about 1540.5426866826.

The spelling of 3656126468 in words is "three billion, six hundred fifty-six million, one hundred twenty-six thousand, four hundred sixty-eight".