56170106651 has 4 divisors (see below), whose sum is σ = 56179104432. Its totient is φ = 56161108872.

The previous prime is 56170106639. The next prime is 56170106669. The reversal of 56170106651 is 15660107165.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56170106651 - 2²⁶ = 56102997787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56170106621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4489520 + ... + 4502013.

It is an arithmetic number, because the mean of its divisors is an integer number (14044776108).

Almost surely, 2^56170106651 is an apocalyptic number.

56170106651 is a deficient number, since it is larger than the sum of its proper divisors (8997781).

56170106651 is an equidigital number, since it uses as much as digits as its factorization.

56170106651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8997780.

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 56170106651 in words is "fifty-six billion, one hundred seventy million, one hundred six thousand, six hundred fifty-one".