2161716292 has 24 divisors (see below), whose sum is σ = 3881001600. Its totient is φ = 1053190560.

The previous prime is 2161716259. The next prime is 2161716299. The reversal of 2161716292 is 2926171612.

It is not an unprimeable number, because it can be changed into a prime (2161716299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15292 + ... + 67507.

It is an arithmetic number, because the mean of its divisors is an integer number (161708400).

Almost surely, 2^2161716292 is an apocalyptic number.

It is an amenable number.

2161716292 is a deficient number, since it is larger than the sum of its proper divisors (1719285308).

2161716292 is a wasteful number, since it uses less digits than its factorization.

2161716292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82971 (or 82969 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 2161716292 is about 46494.2608501307. The cubic root of 2161716292 is about 1293.0030973616.

The spelling of 2161716292 in words is "two billion, one hundred sixty-one million, seven hundred sixteen thousand, two hundred ninety-two".