655774164 has 24 divisors (see below), whose sum is σ = 1700155520. Its totient is φ = 218591352.

The previous prime is 655774159. The next prime is 655774237. The reversal of 655774164 is 461477556.

655774164 is a `hidden beast` number, since 65 + 577 + 4 + 16 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3035884 + ... + 3036099.

Almost surely, 2^655774164 is an apocalyptic number.

It is an amenable number.

655774164 is an abundant number, since it is smaller than the sum of its proper divisors (1044381356).

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

655774164 is a wasteful number, since it uses less digits than its factorization.

655774164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071996 (or 6071988 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 655774164 is about 25608.0878630170. The cubic root of 655774164 is about 868.7965763273.

The spelling of 655774164 in words is "six hundred fifty-five million, seven hundred seventy-four thousand, one hundred sixty-four".