2163108660 has 24 divisors (see below), whose sum is σ = 6056704416. Its totient is φ = 576828960.

The previous prime is 2163108641. The next prime is 2163108691. The reversal of 2163108660 is 668013612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18025846 + ... + 18025965.

It is an arithmetic number, because the mean of its divisors is an integer number (252362684).

Almost surely, 2^2163108660 is an apocalyptic number.

2163108660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2163108660 is an abundant number, since it is smaller than the sum of its proper divisors (3893595756).

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

2163108660 is a wasteful number, since it uses less digits than its factorization.

2163108660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36051823 (or 36051821 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2163108660 is about 46509.2319867787. The cubic root of 2163108660 is about 1293.2806468482.

The spelling of 2163108660 in words is "two billion, one hundred sixty-three million, one hundred eight thousand, six hundred sixty".