16125522163 has 4 divisors (see below), whose sum is σ = 16163825488. Its totient is φ = 16087218840.

The previous prime is 16125522143. The next prime is 16125522187. The reversal of 16125522163 is 36122552161.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16125522163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16125522113) 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, 19151031 + ... + 19151872.

It is an arithmetic number, because the mean of its divisors is an integer number (4040956372).

Almost surely, 2^16125522163 is an apocalyptic number.

16125522163 is a deficient number, since it is larger than the sum of its proper divisors (38303325).

16125522163 is an equidigital number, since it uses as much as digits as its factorization.

16125522163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38303324.

The product of its digits is 21600, while the sum is 34.

The spelling of 16125522163 in words is "sixteen billion, one hundred twenty-five million, five hundred twenty-two thousand, one hundred sixty-three".