662676580 has 12 divisors (see below), whose sum is σ = 1391620860. Its totient is φ = 265070624.

The previous prime is 662676577. The next prime is 662676587. The reversal of 662676580 is 85676266.

It can be written as a sum of positive squares in 2 ways, for example, as 317980224 + 344696356 = 17832^2 + 18566^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 662676580.

It is not an unprimeable number, because it can be changed into a prime (662676587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16566895 + ... + 16566934.

It is an arithmetic number, because the mean of its divisors is an integer number (115968405).

Almost surely, 2^662676580 is an apocalyptic number.

It is an amenable number.

662676580 is an abundant number, since it is smaller than the sum of its proper divisors (728944280).

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

662676580 is a wasteful number, since it uses less digits than its factorization.

662676580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33133838 (or 33133836 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 662676580 is about 25742.5053170821. The cubic root of 662676580 is about 871.8341452232.

The spelling of 662676580 in words is "six hundred sixty-two million, six hundred seventy-six thousand, five hundred eighty".