653527164 has 12 divisors (see below), whose sum is σ = 1524896744. Its totient is φ = 217842384.

The previous prime is 653527139. The next prime is 653527169. The reversal of 653527164 is 461725356.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653527169) 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, 27230287 + ... + 27230310.

Almost surely, 2^653527164 is an apocalyptic number.

It is an amenable number.

653527164 is an abundant number, since it is smaller than the sum of its proper divisors (871369580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

653527164 is a wasteful number, since it uses less digits than its factorization.

653527164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54460604 (or 54460602 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 653527164 is about 25564.1773581706. The cubic root of 653527164 is about 867.8031347941.

The spelling of 653527164 in words is "six hundred fifty-three million, five hundred twenty-seven thousand, one hundred sixty-four".