16125134139163 has 24 divisors (see below), whose sum is σ = 19528226744400. Its totient is φ = 13259938805568.

The previous prime is 16125134139143. The next prime is 16125134139173. The reversal of 16125134139163 is 36193143152161.

It is a happy number.

It is not a de Polignac number, because 16125134139163 - 2¹³ = 16125134130971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16125134139143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35916193 + ... + 36362386.

It is an arithmetic number, because the mean of its divisors is an integer number (813676114350).

Almost surely, 2^{16125134139163} is an apocalyptic number.

16125134139163 is a deficient number, since it is larger than the sum of its proper divisors (3403092605237).

16125134139163 is a wasteful number, since it uses less digits than its factorization.

16125134139163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72278779 (or 72278772 counting only the distinct ones).

The product of its digits is 349920, while the sum is 46.

The spelling of 16125134139163 in words is "sixteen trillion, one hundred twenty-five billion, one hundred thirty-four million, one hundred thirty-nine thousand, one hundred sixty-three".