631650960 has 200 divisors, whose sum is σ = 2216750976. Its totient is φ = 166682880.

The previous prime is 631650959. The next prime is 631650977. The reversal of 631650960 is 69056136.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 39 ways as a sum of consecutive naturals, for example, 692905 + ... + 693815.

Almost surely, 2^631650960 is an apocalyptic number.

631650960 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 631650960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1108375488).

631650960 is an abundant number, since it is smaller than the sum of its proper divisors (1585100016).

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

631650960 is a wasteful number, since it uses less digits than its factorization.

631650960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 631650960 is about 25132.6671883427. The cubic root of 631650960 is about 858.0100737240.

The spelling of 631650960 in words is "six hundred thirty-one million, six hundred fifty thousand, nine hundred sixty".