16516525223 has 4 divisors (see below), whose sum is σ = 18018027528. Its totient is φ = 15015022920.

The previous prime is 16516525217. The next prime is 16516525261. The reversal of 16516525223 is 32252561561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16516525223 - 2⁸ = 16516524967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16516525273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750751136 + ... + 750751157.

It is an arithmetic number, because the mean of its divisors is an integer number (4504506882).

Almost surely, 2^16516525223 is an apocalyptic number.

16516525223 is a deficient number, since it is larger than the sum of its proper divisors (1501502305).

16516525223 is a wasteful number, since it uses less digits than its factorization.

16516525223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501502304.

The product of its digits is 108000, while the sum is 38.

The spelling of 16516525223 in words is "sixteen billion, five hundred sixteen million, five hundred twenty-five thousand, two hundred twenty-three".