653220164 has 12 divisors (see below), whose sum is σ = 1159236288. Its totient is φ = 322009800.

The previous prime is 653220149. The next prime is 653220167. The reversal of 653220164 is 461022356.

It is not an unprimeable number, because it can be changed into a prime (653220167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149752 + ... + 1150319.

It is an arithmetic number, because the mean of its divisors is an integer number (96603024).

Almost surely, 2^653220164 is an apocalyptic number.

It is an amenable number.

653220164 is a deficient number, since it is larger than the sum of its proper divisors (506016124).

653220164 is a wasteful number, since it uses less digits than its factorization.

653220164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300146 (or 2300144 counting only the distinct ones).

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

The square root of 653220164 is about 25558.1721568660. The cubic root of 653220164 is about 867.6672275179.

The spelling of 653220164 in words is "six hundred fifty-three million, two hundred twenty thousand, one hundred sixty-four".