80189890198 has 16 divisors (see below), whose sum is σ = 132381061776. Its totient is φ = 36127383040.

The previous prime is 80189890159. The next prime is 80189890199. The reversal of 80189890198 is 89109898108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80189890199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16125811 + ... + 16130782.

It is an arithmetic number, because the mean of its divisors is an integer number (8273816361).

Almost surely, 2^80189890198 is an apocalyptic number.

80189890198 is a deficient number, since it is larger than the sum of its proper divisors (52191171578).

80189890198 is a wasteful number, since it uses less digits than its factorization.

80189890198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32256719.

The product of its (nonzero) digits is 2985984, while the sum is 61.

The spelling of 80189890198 in words is "eighty billion, one hundred eighty-nine million, eight hundred ninety thousand, one hundred ninety-eight".