662680960 has 64 divisors (see below), whose sum is σ = 1599192720. Its totient is φ = 262567936.

The previous prime is 662680951. The next prime is 662680969. The reversal of 662680960 is 69086266.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (662680951) and next prime (662680969).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662680969) 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 7 ways as a sum of consecutive naturals, for example, 63642 + ... + 73318.

Almost surely, 2^662680960 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 662680960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799596360).

662680960 is an abundant number, since it is smaller than the sum of its proper divisors (936511760).

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

662680960 is a wasteful number, since it uses less digits than its factorization.

662680960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9803 (or 9791 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 662680960 is about 25742.5903902463. The cubic root of 662680960 is about 871.8360660320.

The spelling of 662680960 in words is "six hundred sixty-two million, six hundred eighty thousand, nine hundred sixty".