656163 has 6 divisors (see below), whose sum is σ = 947804. Its totient is φ = 437436.

The previous prime is 656153. The next prime is 656171. The reversal of 656163 is 361656.

656163 is a `hidden beast` number, since 656 + 1 + 6 + 3 = 666.

It is not a de Polignac number, because 656163 - 2⁴ = 656147 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (656113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36445 + ... + 36462.

2⁶⁵⁶¹⁶³ is an apocalyptic number.

656163 is a deficient number, since it is larger than the sum of its proper divisors (291641).

656163 is a wasteful number, since it uses less digits than its factorization.

656163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72913 (or 72910 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 656163 is about 810.0388879554. The cubic root of 656163 is about 86.8968257706.

It can be divided in two parts, 6 and 56163, that added together give a square (56169 = 237²).

The spelling of 656163 in words is "six hundred fifty-six thousand, one hundred sixty-three".