631916367 has 8 divisors (see below), whose sum is σ = 892117296. Its totient is φ = 396496512.

The previous prime is 631916357. The next prime is 631916371. The reversal of 631916367 is 763619136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 631916367 - 2²⁰ = 630867791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631916357) 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, 6195208 + ... + 6195309.

It is an arithmetic number, because the mean of its divisors is an integer number (111514662).

Almost surely, 2^631916367 is an apocalyptic number.

631916367 is a deficient number, since it is larger than the sum of its proper divisors (260200929).

631916367 is a wasteful number, since it uses less digits than its factorization.

631916367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12390537.

The product of its digits is 122472, while the sum is 42.

The square root of 631916367 is about 25137.9467538620. The cubic root of 631916367 is about 858.1302297420.

The spelling of 631916367 in words is "six hundred thirty-one million, nine hundred sixteen thousand, three hundred sixty-seven".