2172150188 has 48 divisors (see below), whose sum is σ = 4165392000. Its totient is φ = 985091328.

The previous prime is 2172150187. The next prime is 2172150223. The reversal of 2172150188 is 8810512712.

It is not an unprimeable number, because it can be changed into a prime (2172150181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939578 + ... + 941886.

It is an arithmetic number, because the mean of its divisors is an integer number (86779000).

Almost surely, 2^2172150188 is an apocalyptic number.

It is an amenable number.

2172150188 is a deficient number, since it is larger than the sum of its proper divisors (1993241812).

2172150188 is a wasteful number, since it uses less digits than its factorization.

2172150188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634 (or 2632 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 35.

The square root of 2172150188 is about 46606.3320590668. The cubic root of 2172150188 is about 1295.0800600464.

The spelling of 2172150188 in words is "two billion, one hundred seventy-two million, one hundred fifty thousand, one hundred eighty-eight".