16800815125 has 16 divisors (see below), whose sum is σ = 20992900032. Its totient is φ = 13424317200.

The previous prime is 16800815093. The next prime is 16800815147. The reversal of 16800815125 is 52151800861.

It is not a de Polignac number, because 16800815125 - 2⁵ = 16800815093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22114 + ... + 184636.

It is an arithmetic number, because the mean of its divisors is an integer number (1312056252).

Almost surely, 2^16800815125 is an apocalyptic number.

It is an amenable number.

16800815125 is a deficient number, since it is larger than the sum of its proper divisors (4192084907).

16800815125 is an equidigital number, since it uses as much as digits as its factorization.

16800815125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163365 (or 163355 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 37.

The spelling of 16800815125 in words is "sixteen billion, eight hundred million, eight hundred fifteen thousand, one hundred twenty-five".