662652880 has 20 divisors (see below), whose sum is σ = 1540668132. Its totient is φ = 265061120.

The previous prime is 662652857. The next prime is 662652899. The reversal of 662652880 is 88256266.

It can be written as a sum of positive squares in 2 ways, for example, as 409333824 + 253319056 = 20232^2 + 15916^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4141501 + ... + 4141660.

Almost surely, 2^662652880 is an apocalyptic number.

It is an amenable number.

662652880 is an abundant number, since it is smaller than the sum of its proper divisors (878015252).

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

662652880 is a wasteful number, since it uses less digits than its factorization.

662652880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8283174 (or 8283168 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 662652880 is about 25742.0449848104. The cubic root of 662652880 is about 871.8237516586.

The spelling of 662652880 in words is "six hundred sixty-two million, six hundred fifty-two thousand, eight hundred eighty".