16992106325 has 6 divisors (see below), whose sum is σ = 21070211874. Its totient is φ = 13593685040.

The previous prime is 16992106321. The next prime is 16992106333. The reversal of 16992106325 is 52360129961.

It can be written as a sum of positive squares in 3 ways, for example, as 5522124721 + 11469981604 = 74311^2 + 107098^2 .

It is not a de Polignac number, because 16992106325 - 2² = 16992106321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16992106321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339842102 + ... + 339842151.

It is an arithmetic number, because the mean of its divisors is an integer number (3511701979).

Almost surely, 2^16992106325 is an apocalyptic number.

It is an amenable number.

16992106325 is a deficient number, since it is larger than the sum of its proper divisors (4078105549).

16992106325 is an equidigital number, since it uses as much as digits as its factorization.

16992106325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679684263 (or 679684258 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 16992106325 in words is "sixteen billion, nine hundred ninety-two million, one hundred six thousand, three hundred twenty-five".