631626060 has 96 divisors (see below), whose sum is σ = 1912458240. Its totient is φ = 154835712.

The previous prime is 631626053. The next prime is 631626071. The reversal of 631626060 is 60626136.

631626060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×631626060² = 797902959342247200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203601 + ... + 206679.

It is an arithmetic number, because the mean of its divisors is an integer number (19921440).

Almost surely, 2^631626060 is an apocalyptic number.

631626060 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 631626060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956229120).

631626060 is an abundant number, since it is smaller than the sum of its proper divisors (1280832180).

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

631626060 is a wasteful number, since it uses less digits than its factorization.

631626060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367 (or 3365 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 631626060 is about 25132.1718122410. The cubic root of 631626060 is about 857.9987991789.

The spelling of 631626060 in words is "six hundred thirty-one million, six hundred twenty-six thousand, sixty".