9631441162566 has 32 divisors (see below), whose sum is σ = 21439295745120. Its totient is φ = 3205066413312.

The previous prime is 9631441162559. The next prime is 9631441162589. The reversal of 9631441162566 is 6652611441369.

9631441162566 is a `hidden beast` number, since 9 + 6 + 3 + 1 + 4 + 4 + 1 + 1 + 625 + 6 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 150355855 + ... + 150419898.

It is an arithmetic number, because the mean of its divisors is an integer number (669977992035).

Almost surely, 2^{9631441162566} is an apocalyptic number.

9631441162566 is an abundant number, since it is smaller than the sum of its proper divisors (11807854582554).

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

9631441162566 is a wasteful number, since it uses less digits than its factorization.

9631441162566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300776357 (or 300776351 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 9631441162566 in words is "nine trillion, six hundred thirty-one billion, four hundred forty-one million, one hundred sixty-two thousand, five hundred sixty-six".