16368716831 has 2 divisors, whose sum is σ = 16368716832. Its totient is φ = 16368716830.

The previous prime is 16368716783. The next prime is 16368716839. The reversal of 16368716831 is 13861786361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16368716831 - 2²² = 16364522527 is a prime.

It is a super-2 number, since 2×16368716831² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16368716831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16368716839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8184358415 + 8184358416.

It is an arithmetic number, because the mean of its divisors is an integer number (8184358416).

Almost surely, 2^16368716831 is an apocalyptic number.

16368716831 is a deficient number, since it is larger than the sum of its proper divisors (1).

16368716831 is an equidigital number, since it uses as much as digits as its factorization.

16368716831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The spelling of 16368716831 in words is "sixteen billion, three hundred sixty-eight million, seven hundred sixteen thousand, eight hundred thirty-one".