172389480198 has 16 divisors (see below), whose sum is σ = 371300419056. Its totient is φ = 53042916960.

The previous prime is 172389480097. The next prime is 172389480227. The reversal of 172389480198 is 891084983271.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105060693 + ... + 1105060848.

It is an arithmetic number, because the mean of its divisors is an integer number (23206276191).

Almost surely, 2^172389480198 is an apocalyptic number.

172389480198 is an abundant number, since it is smaller than the sum of its proper divisors (198910938858).

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

172389480198 is a wasteful number, since it uses less digits than its factorization.

172389480198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210121559.

The product of its (nonzero) digits is 6967296, while the sum is 60.

The spelling of 172389480198 in words is "one hundred seventy-two billion, three hundred eighty-nine million, four hundred eighty thousand, one hundred ninety-eight".