662385132 has 18 divisors (see below), whose sum is σ = 1674362508. Its totient is φ = 220795032.

The previous prime is 662385089. The next prime is 662385173. The reversal of 662385132 is 231583266.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 18399587 = 662385132 / (6 + 6 + 2 + 3 + 8 + 5 + 1 + 3 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9199758 + ... + 9199829.

Almost surely, 2^662385132 is an apocalyptic number.

It is an amenable number.

662385132 is an abundant number, since it is smaller than the sum of its proper divisors (1011977376).

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

662385132 is a wasteful number, since it uses less digits than its factorization.

662385132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18399597 (or 18399592 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 662385132 is about 25736.8438624475. The cubic root of 662385132 is about 871.7063143500.

The spelling of 662385132 in words is "six hundred sixty-two million, three hundred eighty-five thousand, one hundred thirty-two".