16516525123 has 8 divisors (see below), whose sum is σ = 19484933120. Its totient is φ = 13700343240.

The previous prime is 16516525079. The next prime is 16516525169. The reversal of 16516525123 is 32152561561.

It is a happy number.

16516525123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16516525123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16516525183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38056293 + ... + 38056726.

It is an arithmetic number, because the mean of its divisors is an integer number (2435616640).

Almost surely, 2^16516525123 is an apocalyptic number.

16516525123 is a deficient number, since it is larger than the sum of its proper divisors (2968407997).

16516525123 is an equidigital number, since it uses as much as digits as its factorization.

16516525123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76113057.

The product of its digits is 54000, while the sum is 37.

The spelling of 16516525123 in words is "sixteen billion, five hundred sixteen million, five hundred twenty-five thousand, one hundred twenty-three".