2161936314 has 24 divisors (see below), whose sum is σ = 4798445652. Its totient is φ = 703068480.

The previous prime is 2161936279. The next prime is 2161936417. The reversal of 2161936314 is 4136391612.

2161936314 is a `hidden beast` number, since 2 + 1 + 6 + 19 + 3 + 631 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2096083089 + 65853225 = 45783^2 + 8115^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1463989 + ... + 1465464.

Almost surely, 2^2161936314 is an apocalyptic number.

2161936314 is an abundant number, since it is smaller than the sum of its proper divisors (2636509338).

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

2161936314 is a wasteful number, since it uses less digits than its factorization.

2161936314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929502 (or 2929499 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 2161936314 is about 46496.6269099168. The cubic root of 2161936314 is about 1293.0469636601.

The spelling of 2161936314 in words is "two billion, one hundred sixty-one million, nine hundred thirty-six thousand, three hundred fourteen".