16725651125 has 16 divisors (see below), whose sum is σ = 21437770224. Its totient is φ = 13018881600.

The previous prime is 16725651109. The next prime is 16725651181. The reversal of 16725651125 is 52115652761.

It can be written as a sum of positive squares in 8 ways, for example, as 6971916004 + 9753735121 = 83498^2 + 98761^2 .

It is not a de Polignac number, because 16725651125 - 2⁴ = 16725651109 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, 1803554 + ... + 1812803.

It is an arithmetic number, because the mean of its divisors is an integer number (1339860639).

Almost surely, 2^16725651125 is an apocalyptic number.

It is an amenable number.

16725651125 is a deficient number, since it is larger than the sum of its proper divisors (4712119099).

16725651125 is an equidigital number, since it uses as much as digits as its factorization.

16725651125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616409 (or 3616399 counting only the distinct ones).

The product of its digits is 126000, while the sum is 41.

The spelling of 16725651125 in words is "sixteen billion, seven hundred twenty-five million, six hundred fifty-one thousand, one hundred twenty-five".