9947180160 has 128 divisors (see below), whose sum is σ = 35229657600. Its totient is φ = 2652576768.

The previous prime is 9947180137. The next prime is 9947180161. The reversal of 9947180160 is 610817499.

It is a happy number.

9947180160 is a `hidden beast` number, since 99 + 471 + 80 + 16 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is not an unprimeable number, because it can be changed into a prime (9947180161) 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, 270544 + ... + 305103.

It is an arithmetic number, because the mean of its divisors is an integer number (275231700).

Almost surely, 2^9947180160 is an apocalyptic number.

9947180160 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9947180160 is an abundant number, since it is smaller than the sum of its proper divisors (25282477440).

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

9947180160 is a wasteful number, since it uses less digits than its factorization.

9947180160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575675 (or 575657 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 9947180160 is about 99735.5511339863. The cubic root of 9947180160 is about 2150.6347619176.

The spelling of 9947180160 in words is "nine billion, nine hundred forty-seven million, one hundred eighty thousand, one hundred sixty".