631662402616 has 64 divisors (see below), whose sum is σ = 1406603520000. Its totient is φ = 260221438080.

The previous prime is 631662402607. The next prime is 631662402641. The reversal of 631662402616 is 616204266136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 962346 + ... + 1479673.

It is an arithmetic number, because the mean of its divisors is an integer number (21978180000).

Almost surely, 2^631662402616 is an apocalyptic number.

It is an amenable number.

631662402616 is an abundant number, since it is smaller than the sum of its proper divisors (774941117384).

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

631662402616 is a wasteful number, since it uses less digits than its factorization.

631662402616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442212 (or 2442208 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 631662402616 in words is "six hundred thirty-one billion, six hundred sixty-two million, four hundred two thousand, six hundred sixteen".