16375129128925 has 24 divisors (see below), whose sum is σ = 23214612134016. Its totient is φ = 11224443109440.

The previous prime is 16375129128907. The next prime is 16375129128947. The reversal of 16375129128925 is 52982192157361.

It is not a de Polignac number, because 16375129128925 - 2¹³ = 16375129120733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17102914 + ... + 18034963.

It is an arithmetic number, because the mean of its divisors is an integer number (967275505584).

Almost surely, 2^{16375129128925} is an apocalyptic number.

It is an amenable number.

16375129128925 is a deficient number, since it is larger than the sum of its proper divisors (6839483005091).

16375129128925 is a wasteful number, since it uses less digits than its factorization.

16375129128925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35140557 (or 35140552 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 61.

The spelling of 16375129128925 in words is "sixteen trillion, three hundred seventy-five billion, one hundred twenty-nine million, one hundred twenty-eight thousand, nine hundred twenty-five".