16806928319 has 2 divisors, whose sum is σ = 16806928320. Its totient is φ = 16806928318.

The previous prime is 16806928277. The next prime is 16806928381. The reversal of 16806928319 is 91382960861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16806928319 - 2³² = 12511961023 is a prime.

It is a super-2 number, since 2×16806928319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16806928519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8403464159 + 8403464160.

It is an arithmetic number, because the mean of its divisors is an integer number (8403464160).

Almost surely, 2^16806928319 is an apocalyptic number.

16806928319 is a deficient number, since it is larger than the sum of its proper divisors (1).

16806928319 is an equidigital number, since it uses as much as digits as its factorization.

16806928319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 16806928319 in words is "sixteen billion, eight hundred six million, nine hundred twenty-eight thousand, three hundred nineteen".