2162162660 has 48 divisors (see below), whose sum is σ = 5208430080. Its totient is φ = 738564480.

The previous prime is 2162162647. The next prime is 2162162687. The reversal of 2162162660 is 662612612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9446 + ... + 66434.

It is an arithmetic number, because the mean of its divisors is an integer number (108508960).

Almost surely, 2^2162162660 is an apocalyptic number.

2162162660 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 2162162660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2604215040).

2162162660 is an abundant number, since it is smaller than the sum of its proper divisors (3046267420).

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

2162162660 is a wasteful number, since it uses less digits than its factorization.

2162162660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57276 (or 57274 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2162162660 is about 46499.0608507312. The cubic root of 2162162660 is about 1293.0920876835.

The spelling of 2162162660 in words is "two billion, one hundred sixty-two million, one hundred sixty-two thousand, six hundred sixty".