163789127525 has 12 divisors (see below), whose sum is σ = 203488358724. Its totient is φ = 130779792000.

The previous prime is 163789127519. The next prime is 163789127569. The reversal of 163789127525 is 525721987361.

It can be written as a sum of positive squares in 6 ways, for example, as 24216650689 + 139572476836 = 155617^2 + 373594^2 .

It is not a de Polignac number, because 163789127525 - 2¹⁴ = 163789111141 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 11 ways as a sum of consecutive naturals, for example, 6274466 + ... + 6300515.

It is an arithmetic number, because the mean of its divisors is an integer number (16957363227).

Almost surely, 2^163789127525 is an apocalyptic number.

It is an amenable number.

163789127525 is a deficient number, since it is larger than the sum of its proper divisors (39699231199).

163789127525 is a wasteful number, since it uses less digits than its factorization.

163789127525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12575512 (or 12575507 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 56.

The spelling of 163789127525 in words is "one hundred sixty-three billion, seven hundred eighty-nine million, one hundred twenty-seven thousand, five hundred twenty-five".