2115560160 has 192 divisors, whose sum is σ = 8462361600. Its totient is φ = 483549696.

The previous prime is 2115560159. The next prime is 2115560177. The reversal of 2115560160 is 610655112.

It is a happy number.

2115560160 is a `hidden beast` number, since 2 + 1 + 1 + 55 + 601 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4740 + ... + 65219.

It is an arithmetic number, because the mean of its divisors is an integer number (44074800).

Almost surely, 2^2115560160 is an apocalyptic number.

2115560160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2115560160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4231180800).

2115560160 is an abundant number, since it is smaller than the sum of its proper divisors (6346801440).

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

2115560160 is a wasteful number, since it uses less digits than its factorization.

2115560160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69990 (or 69976 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 2115560160 is about 45995.2188819664. The cubic root of 2115560160 is about 1283.7342449382.

The spelling of 2115560160 in words is "two billion, one hundred fifteen million, five hundred sixty thousand, one hundred sixty".