5655220164 has 72 divisors (see below), whose sum is σ = 15957413472. Its totient is φ = 1673844480.

The previous prime is 5655220163. The next prime is 5655220199. The reversal of 5655220164 is 4610225565.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5655220163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149029 + ... + 183084.

Almost surely, 2^5655220164 is an apocalyptic number.

It is an amenable number.

5655220164 is an abundant number, since it is smaller than the sum of its proper divisors (10302193308).

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

5655220164 is a wasteful number, since it uses less digits than its factorization.

5655220164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332177 (or 332172 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 5655220164 is about 75201.1978893954. The cubic root of 5655220164 is about 1781.6258515321.

The spelling of 5655220164 in words is "five billion, six hundred fifty-five million, two hundred twenty thousand, one hundred sixty-four".