2160973680 has 40 divisors (see below), whose sum is σ = 6699019152. Its totient is φ = 576259584.

The previous prime is 2160973669. The next prime is 2160973687. The reversal of 2160973680 is 863790612.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160973687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4501789 + ... + 4502268.

Almost surely, 2^2160973680 is an apocalyptic number.

2160973680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2160973680 is an abundant number, since it is smaller than the sum of its proper divisors (4538045472).

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

2160973680 is a wasteful number, since it uses less digits than its factorization.

2160973680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9004073 (or 9004067 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 2160973680 is about 46486.2741032232. The cubic root of 2160973680 is about 1292.8550190973.

The spelling of 2160973680 in words is "two billion, one hundred sixty million, nine hundred seventy-three thousand, six hundred eighty".