631002166004 has 48 divisors (see below), whose sum is σ = 1328544645120. Its totient is φ = 256173412320.

The previous prime is 631002166001. The next prime is 631002166027. The reversal of 631002166004 is 400661200136.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631002166001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6694169 + ... + 6787775.

It is an arithmetic number, because the mean of its divisors is an integer number (27678013440).

Almost surely, 2^631002166004 is an apocalyptic number.

It is an amenable number.

631002166004 is an abundant number, since it is smaller than the sum of its proper divisors (697542479116).

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

631002166004 is a wasteful number, since it uses less digits than its factorization.

631002166004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106308 (or 106306 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 631002166004 in words is "six hundred thirty-one billion, two million, one hundred sixty-six thousand, four".