198160872525 has 240 divisors, whose sum is σ = 463457955840. Its totient is φ = 81305078400.

The previous prime is 198160872463. The next prime is 198160872529. The reversal of 198160872525 is 525278061891.

198160872525 is a `hidden beast` number, since 1 + 9 + 8 + 1 + 608 + 7 + 2 + 5 + 25 = 666.

It is not a de Polignac number, because 198160872525 - 2¹⁴ = 198160856141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198160872529) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 12310032 + ... + 12326118.

It is an arithmetic number, because the mean of its divisors is an integer number (1931074816).

Almost surely, 2^198160872525 is an apocalyptic number.

198160872525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198160872525 is an abundant number, since it is smaller than the sum of its proper divisors (265297083315).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198160872525 is a wasteful number, since it uses less digits than its factorization.

198160872525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16206 (or 16192 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 198160872525 in words is "one hundred ninety-eight billion, one hundred sixty million, eight hundred seventy-two thousand, five hundred twenty-five".