2124165920 has 48 divisors (see below), whose sum is σ = 5236539840. Its totient is φ = 812722944.

The previous prime is 2124165881. The next prime is 2124165941. The reversal of 2124165920 is 295614212.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 284930 + ... + 292289.

It is an arithmetic number, because the mean of its divisors is an integer number (109094580).

Almost surely, 2^2124165920 is an apocalyptic number.

2124165920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2124165920 is an abundant number, since it is smaller than the sum of its proper divisors (3112373920).

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

2124165920 is a wasteful number, since it uses less digits than its factorization.

2124165920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577257 (or 577249 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2124165920 is about 46088.6745307348. The cubic root of 2124165920 is about 1285.4725651167.

The spelling of 2124165920 in words is "two billion, one hundred twenty-four million, one hundred sixty-five thousand, nine hundred twenty".