631163712 has 28 divisors (see below), whose sum is σ = 1669954496. Its totient is φ = 210387840.

The previous prime is 631163699. The next prime is 631163719. The reversal of 631163712 is 217361136.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 631163712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631163719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643464 + ... + 1643847.

It is an arithmetic number, because the mean of its divisors is an integer number (59641232).

Almost surely, 2^631163712 is an apocalyptic number.

It is an amenable number.

631163712 is an abundant number, since it is smaller than the sum of its proper divisors (1038790784).

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

631163712 is a wasteful number, since it uses less digits than its factorization.

631163712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287326 (or 3287316 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 631163712 is about 25122.9717987343. The cubic root of 631163712 is about 857.7893974004.

The spelling of 631163712 in words is "six hundred thirty-one million, one hundred sixty-three thousand, seven hundred twelve".