16796792681 has 2 divisors, whose sum is σ = 16796792682. Its totient is φ = 16796792680.

The previous prime is 16796792627. The next prime is 16796792729. The reversal of 16796792681 is 18629769761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12749797225 + 4046995456 = 112915^2 + 63616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16796792681 is a prime.

It is a super-2 number, since 2×16796792681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16796792611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8398396340 + 8398396341.

It is an arithmetic number, because the mean of its divisors is an integer number (8398396341).

Almost surely, 2^16796792681 is an apocalyptic number.

It is an amenable number.

16796792681 is a deficient number, since it is larger than the sum of its proper divisors (1).

16796792681 is an equidigital number, since it uses as much as digits as its factorization.

16796792681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 62.

The spelling of 16796792681 in words is "sixteen billion, seven hundred ninety-six million, seven hundred ninety-two thousand, six hundred eighty-one".