631160 has 32 divisors (see below), whose sum is σ = 1468800. Its totient is φ = 243840.

The previous prime is 631157. The next prime is 631171. The reversal of 631160 is 61136.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 631160.

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, 986 + ... + 1494.

It is an arithmetic number, because the mean of its divisors is an integer number (45900).

2⁶³¹¹⁶⁰ 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 631160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734400).

631160 is an abundant number, since it is smaller than the sum of its proper divisors (837640).

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

631160 is a wasteful number, since it uses less digits than its factorization.

631160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 631160 is about 794.4557885748. The cubic root of 631160 is about 85.7787715787.

Adding to 631160 its reverse (61136), we get a palindrome (692296).

The spelling of 631160 in words is "six hundred thirty-one thousand, one hundred sixty".