16551714125 has 32 divisors (see below), whose sum is σ = 21258637920. Its totient is φ = 12856896000.

The previous prime is 16551714079. The next prime is 16551714239. The reversal of 16551714125 is 52141715561.

It can be written as a sum of positive squares in 16 ways, for example, as 14530132681 + 2021581444 = 120541^2 + 44962^2 .

It is not a de Polignac number, because 16551714125 - 2⁸ = 16551713869 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2406191 + ... + 2413059.

It is an arithmetic number, because the mean of its divisors is an integer number (664332435).

Almost surely, 2^16551714125 is an apocalyptic number.

It is an amenable number.

16551714125 is a deficient number, since it is larger than the sum of its proper divisors (4706923795).

16551714125 is an equidigital number, since it uses as much as digits as its factorization.

16551714125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7442 (or 7432 counting only the distinct ones).

The product of its digits is 42000, while the sum is 38.

The spelling of 16551714125 in words is "sixteen billion, five hundred fifty-one million, seven hundred fourteen thousand, one hundred twenty-five".