16156734959 has 2 divisors, whose sum is σ = 16156734960. Its totient is φ = 16156734958.

The previous prime is 16156734887. The next prime is 16156735037. The reversal of 16156734959 is 95943765161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16156734959 - 2²⁸ = 15888299503 is a prime.

It is a super-2 number, since 2×16156734959² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16156794959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8078367479 + 8078367480.

It is an arithmetic number, because the mean of its divisors is an integer number (8078367480).

Almost surely, 2^16156734959 is an apocalyptic number.

16156734959 is a deficient number, since it is larger than the sum of its proper divisors (1).

16156734959 is an equidigital number, since it uses as much as digits as its factorization.

16156734959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6123600, while the sum is 56.

The spelling of 16156734959 in words is "sixteen billion, one hundred fifty-six million, seven hundred thirty-four thousand, nine hundred fifty-nine".