662907960 has 384 divisors, whose sum is σ = 2578867200. Its totient is φ = 145566720.

The previous prime is 662907953. The next prime is 662907977. The reversal of 662907960 is 69709266.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4066839 + ... + 4067001.

It is an arithmetic number, because the mean of its divisors is an integer number (6715800).

Almost surely, 2^662907960 is an apocalyptic number.

662907960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662907960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1289433600).

662907960 is an abundant number, since it is smaller than the sum of its proper divisors (1915959240).

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

662907960 is a wasteful number, since it uses less digits than its factorization.

662907960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 662907960 is about 25746.9990484328. Note that the first 3 decimals coincide. The cubic root of 662907960 is about 871.9356032180.

The spelling of 662907960 in words is "six hundred sixty-two million, nine hundred seven thousand, nine hundred sixty".