56166400233233 has 16 divisors (see below), whose sum is σ = 57738909427200. Its totient is φ = 54615628892160.

The previous prime is 56166400233149. The next prime is 56166400233239. The reversal of 56166400233233 is 33233200466165.

It is a cyclic number.

It is not a de Polignac number, because 56166400233233 - 2²⁴ = 56166383456017 is a prime.

It is a super-4 number, since 4×56166400233233⁴ (a number of 56 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56166400233239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366045233 + ... + 366198641.

It is an arithmetic number, because the mean of its divisors is an integer number (3608681839200).

Almost surely, 2^{56166400233233} is an apocalyptic number.

It is an amenable number.

56166400233233 is a deficient number, since it is larger than the sum of its proper divisors (1572509193967).

56166400233233 is a wasteful number, since it uses less digits than its factorization.

56166400233233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224192.

The product of its (nonzero) digits is 1399680, while the sum is 44.

Adding to 56166400233233 its reverse (33233200466165), we get a palindrome (89399600699398).

The spelling of 56166400233233 in words is "fifty-six trillion, one hundred sixty-six billion, four hundred million, two hundred thirty-three thousand, two hundred thirty-three".