662556 has 12 divisors (see below), whose sum is σ = 1545992. Its totient is φ = 220848.

The previous prime is 662551. The next prime is 662567. The reversal of 662556 is 655266.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 662556.

It is not an unprimeable number, because it can be changed into a prime (662551) 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, 27595 + ... + 27618.

2⁶⁶²⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

662556 is an abundant number, since it is smaller than the sum of its proper divisors (883436).

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

662556 is a wasteful number, since it uses less digits than its factorization.

662556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55220 (or 55218 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 662556 is about 813.9754296046. The cubic root of 662556 is about 87.1781262645.

The spelling of 662556 in words is "six hundred sixty-two thousand, five hundred fifty-six".