631717772006 has 16 divisors (see below), whose sum is σ = 961816323600. Its totient is φ = 311144080800.

The previous prime is 631717772003. The next prime is 631717772027. The reversal of 631717772006 is 600277717136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631717772003) 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, 7897556 + ... + 7977143.

It is an arithmetic number, because the mean of its divisors is an integer number (60113520225).

Almost surely, 2^631717772006 is an apocalyptic number.

631717772006 is a deficient number, since it is larger than the sum of its proper divisors (330098551594).

631717772006 is a wasteful number, since it uses less digits than its factorization.

631717772006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15874999.

The product of its (nonzero) digits is 518616, while the sum is 47.

The spelling of 631717772006 in words is "six hundred thirty-one billion, seven hundred seventeen million, seven hundred seventy-two thousand, six".