2137122168 has 32 divisors (see below), whose sum is σ = 5345764560. Its totient is φ = 711979520.

The previous prime is 2137122167. The next prime is 2137122191. The reversal of 2137122168 is 8612217312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137122167) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21328 + ... + 68768.

Almost surely, 2^2137122168 is an apocalyptic number.

It is an amenable number.

2137122168 is an abundant number, since it is smaller than the sum of its proper divisors (3208642392).

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

2137122168 is a wasteful number, since it uses less digits than its factorization.

2137122168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49327 (or 49323 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 2137122168 is about 46229.0186787477. The cubic root of 2137122168 is about 1288.0808286787.

The spelling of 2137122168 in words is "two billion, one hundred thirty-seven million, one hundred twenty-two thousand, one hundred sixty-eight".