163656230 has 16 divisors (see below), whose sum is σ = 294757920. Its totient is φ = 65423232.

The previous prime is 163656211. The next prime is 163656271. The reversal of 163656230 is 32656361.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17447 + ... + 25133.

It is an arithmetic number, because the mean of its divisors is an integer number (18422370).

Almost surely, 2^163656230 is an apocalyptic number.

163656230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163656230 is a deficient number, since it is larger than the sum of its proper divisors (131101690).

163656230 is a wasteful number, since it uses less digits than its factorization.

163656230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9823.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 163656230 is about 12792.8194703122. The cubic root of 163656230 is about 546.9876415809.

The spelling of 163656230 in words is "one hundred sixty-three million, six hundred fifty-six thousand, two hundred thirty".