9959852660 has 12 divisors (see below), whose sum is σ = 20915690628. Its totient is φ = 3983941056.

The previous prime is 9959852627. The next prime is 9959852677. The reversal of 9959852660 is 662589599.

It can be written as a sum of positive squares in 2 ways, for example, as 1794200164 + 8165652496 = 42358^2 + 90364^2 .

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 9959852660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248996297 + ... + 248996336.

It is an arithmetic number, because the mean of its divisors is an integer number (1742974219).

Almost surely, 2^9959852660 is an apocalyptic number.

It is an amenable number.

9959852660 is an abundant number, since it is smaller than the sum of its proper divisors (10955837968).

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

9959852660 is a wasteful number, since it uses less digits than its factorization.

9959852660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497992642 (or 497992640 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 59.

The square root of 9959852660 is about 99799.0614184322. The cubic root of 9959852660 is about 2151.5476622949.

The spelling of 9959852660 in words is "nine billion, nine hundred fifty-nine million, eight hundred fifty-two thousand, six hundred sixty".