662639160 has 32 divisors (see below), whose sum is σ = 1987917840. Its totient is φ = 176703744.

The previous prime is 662639147. The next prime is 662639191. The reversal of 662639160 is 61936266.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2760877 + ... + 2761116.

Almost surely, 2^662639160 is an apocalyptic number.

662639160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

662639160 is an abundant number, since it is smaller than the sum of its proper divisors (1325278680).

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

662639160 is a wasteful number, since it uses less digits than its factorization.

662639160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522007 (or 5522003 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 662639160 is about 25741.7784933365. The cubic root of 662639160 is about 871.8177346800.

The spelling of 662639160 in words is "six hundred sixty-two million, six hundred thirty-nine thousand, one hundred sixty".