56547527166 has 32 divisors (see below), whose sum is σ = 135327417120. Its totient is φ = 17399238912.

The previous prime is 56547527161. The next prime is 56547527171. The reversal of 56547527166 is 66172574565.

It is a happy number.

56547527166 is a `hidden beast` number, since 5 + 6 + 5 + 475 + 2 + 7 + 166 = 666.

It is an interprime number because it is at equal distance from previous prime (56547527161) and next prime (56547527171).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56547527161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40275315 + ... + 40276718.

It is an arithmetic number, because the mean of its divisors is an integer number (4228981785).

Almost surely, 2^56547527166 is an apocalyptic number.

56547527166 is an abundant number, since it is smaller than the sum of its proper divisors (78779889954).

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

56547527166 is a wasteful number, since it uses less digits than its factorization.

56547527166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80552057 (or 80552051 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 54.

The spelling of 56547527166 in words is "fifty-six billion, five hundred forty-seven million, five hundred twenty-seven thousand, one hundred sixty-six".