9973116630 has 64 divisors (see below), whose sum is σ = 26771212800. Its totient is φ = 2641874400.

The previous prime is 9973116613. The next prime is 9973116631. The reversal of 9973116630 is 366113799.

9973116630 is a `hidden beast` number, since 9 + 9 + 7 + 3 + 1 + 1 + 6 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973116631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81540 + ... + 163079.

It is an arithmetic number, because the mean of its divisors is an integer number (418300200).

Almost surely, 2^9973116630 is an apocalyptic number.

9973116630 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9973116630 is the 81540-th pentagonal number.

9973116630 is an abundant number, since it is smaller than the sum of its proper divisors (16798096170).

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

9973116630 is a wasteful number, since it uses less digits than its factorization.

9973116630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244786 (or 244780 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 9973116630 is about 99865.4926889163. The cubic root of 9973116630 is about 2152.5023418979.

The spelling of 9973116630 in words is "nine billion, nine hundred seventy-three million, one hundred sixteen thousand, six hundred thirty".