2160657620 has 48 divisors (see below), whose sum is σ = 4954824000. Its totient is φ = 784907520.

The previous prime is 2160657601. The next prime is 2160657643. The reversal of 2160657620 is 267560612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244031 + ... + 252729.

It is an arithmetic number, because the mean of its divisors is an integer number (103225500).

Almost surely, 2^2160657620 is an apocalyptic number.

2160657620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2160657620 is an abundant number, since it is smaller than the sum of its proper divisors (2794166380).

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

2160657620 is a wasteful number, since it uses less digits than its factorization.

2160657620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9848 (or 9846 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2160657620 is about 46482.8744808236. The cubic root of 2160657620 is about 1292.7919858323.

The spelling of 2160657620 in words is "two billion, one hundred sixty million, six hundred fifty-seven thousand, six hundred twenty".