2160911960 has 32 divisors (see below), whose sum is σ = 4897553760. Its totient is φ = 858053376.

The previous prime is 2160911959. The next prime is 2160912001. The reversal of 2160911960 is 691190612.

It is a self number, because there is not a number n which added to its sum of digits gives 2160911960.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191684 + ... + 202643.

It is an arithmetic number, because the mean of its divisors is an integer number (153048555).

Almost surely, 2^2160911960 is an apocalyptic number.

2160911960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2160911960 is an abundant number, since it is smaller than the sum of its proper divisors (2736641800).

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

2160911960 is a wasteful number, since it uses less digits than its factorization.

2160911960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394475 (or 394471 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 2160911960 is about 46485.6102466129. The cubic root of 2160911960 is about 1292.8427104835.

The spelling of 2160911960 in words is "two billion, one hundred sixty million, nine hundred eleven thousand, nine hundred sixty".