662553164 has 24 divisors (see below), whose sum is σ = 1427038368. Its totient is φ = 262108800.

The previous prime is 662553149. The next prime is 662553167. The reversal of 662553164 is 461355266.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (662553167) 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, 909737 + ... + 910464.

It is an arithmetic number, because the mean of its divisors is an integer number (59459932).

Almost surely, 2^662553164 is an apocalyptic number.

It is an amenable number.

662553164 is an abundant number, since it is smaller than the sum of its proper divisors (764485204).

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

662553164 is a wasteful number, since it uses less digits than its factorization.

662553164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820225 (or 1820223 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 662553164 is about 25740.1080805812. The cubic root of 662553164 is about 871.7800187878.

The spelling of 662553164 in words is "six hundred sixty-two million, five hundred fifty-three thousand, one hundred sixty-four".