655756163 has 4 divisors (see below), whose sum is σ = 656407080. Its totient is φ = 655105248.

The previous prime is 655756159. The next prime is 655756193. The reversal of 655756163 is 361657556.

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 655756163 - 2² = 655756159 is a prime.

It is a super-2 number, since 2×655756163² = 860032290624965138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655756193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323945 + ... + 325962.

It is an arithmetic number, because the mean of its divisors is an integer number (164101770).

Almost surely, 2^655756163 is an apocalyptic number.

655756163 is a deficient number, since it is larger than the sum of its proper divisors (650917).

655756163 is a wasteful number, since it uses less digits than its factorization.

655756163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650916.

The product of its digits is 567000, while the sum is 44.

The square root of 655756163 is about 25607.7363896148. The cubic root of 655756163 is about 868.7886267662.

The spelling of 655756163 in words is "six hundred fifty-five million, seven hundred fifty-six thousand, one hundred sixty-three".