3656126666022 has 32 divisors (see below), whose sum is σ = 7316678274048. Its totient is φ = 1217971628736.

The previous prime is 3656126665999. The next prime is 3656126666047. The reversal of 3656126666022 is 2206666216563.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72311683 + ... + 72362225.

It is an arithmetic number, because the mean of its divisors is an integer number (228646196064).

Almost surely, 2^{3656126666022} is an apocalyptic number.

3656126666022 is an abundant number, since it is smaller than the sum of its proper divisors (3660551608026).

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

3656126666022 is a wasteful number, since it uses less digits than its factorization.

3656126666022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57604.

The product of its (nonzero) digits is 5598720, while the sum is 51.

The spelling of 3656126666022 in words is "three trillion, six hundred fifty-six billion, one hundred twenty-six million, six hundred sixty-six thousand, twenty-two".