662677328 has 40 divisors (see below), whose sum is σ = 1330319616. Its totient is φ = 319449600.

The previous prime is 662677319. The next prime is 662677339. The reversal of 662677328 is 823776266.

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, 138008 + ... + 142728.

Almost surely, 2^662677328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662677328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665159808).

662677328 is an abundant number, since it is smaller than the sum of its proper divisors (667642288).

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

662677328 is a wasteful number, since it uses less digits than its factorization.

662677328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043 (or 5037 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The square root of 662677328 is about 25742.5198455784. The cubic root of 662677328 is about 871.8344732523.

The spelling of 662677328 in words is "six hundred sixty-two million, six hundred seventy-seven thousand, three hundred twenty-eight".