2157150612 has 24 divisors (see below), whose sum is σ = 5034619296. Its totient is φ = 718869088.

The previous prime is 2157150571. The next prime is 2157150649. The reversal of 2157150612 is 2160517512.

It is a self number, because there is not a number n which added to its sum of digits gives 2157150612.

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, 32323 + ... + 73205.

It is an arithmetic number, because the mean of its divisors is an integer number (209775804).

Almost surely, 2^2157150612 is an apocalyptic number.

It is an amenable number.

2157150612 is an abundant number, since it is smaller than the sum of its proper divisors (2877468684).

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

2157150612 is a wasteful number, since it uses less digits than its factorization.

2157150612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45287 (or 45285 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 2157150612 is about 46445.1355041623. The cubic root of 2157150612 is about 1292.0921546027.

The spelling of 2157150612 in words is "two billion, one hundred fifty-seven million, one hundred fifty thousand, six hundred twelve".