631386662 has 16 divisors (see below), whose sum is σ = 992515680. Its totient is φ = 300666432.

The previous prime is 631386659. The next prime is 631386667. The reversal of 631386662 is 266683136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631386667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18737 + ... + 40172.

It is an arithmetic number, because the mean of its divisors is an integer number (62032230).

Almost surely, 2^631386662 is an apocalyptic number.

631386662 is a deficient number, since it is larger than the sum of its proper divisors (361129018).

631386662 is a wasteful number, since it uses less digits than its factorization.

631386662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59167.

The product of its digits is 186624, while the sum is 41.

The square root of 631386662 is about 25127.4085810694. The cubic root of 631386662 is about 857.8903863244.

The spelling of 631386662 in words is "six hundred thirty-one million, three hundred eighty-six thousand, six hundred sixty-two".