16297722292 has 24 divisors (see below), whose sum is σ = 28819402920. Its totient is φ = 8063798400.

The previous prime is 16297722281. The next prime is 16297722307. The reversal of 16297722292 is 29222779261.

It can be written as a sum of positive squares in 4 ways, for example, as 7714811556 + 8582910736 = 87834^2 + 92644^2 .

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, 324042 + ... + 370942.

It is an arithmetic number, because the mean of its divisors is an integer number (1200808455).

Almost surely, 2^16297722292 is an apocalyptic number.

It is an amenable number.

16297722292 is a deficient number, since it is larger than the sum of its proper divisors (12521680628).

16297722292 is a wasteful number, since it uses less digits than its factorization.

16297722292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47811 (or 47809 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The spelling of 16297722292 in words is "sixteen billion, two hundred ninety-seven million, seven hundred twenty-two thousand, two hundred ninety-two".