163220654 has 16 divisors (see below), whose sum is σ = 248391168. Its totient is φ = 80432352.

The previous prime is 163220641. The next prime is 163220657. The reversal of 163220654 is 456022361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163220657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37832 + ... + 41924.

It is an arithmetic number, because the mean of its divisors is an integer number (15524448).

Almost surely, 2^163220654 is an apocalyptic number.

163220654 is a deficient number, since it is larger than the sum of its proper divisors (85170514).

163220654 is a wasteful number, since it uses less digits than its factorization.

163220654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 163220654 is about 12775.7838898441. The cubic root of 163220654 is about 546.5019357082.

The spelling of 163220654 in words is "one hundred sixty-three million, two hundred twenty thousand, six hundred fifty-four".