80189890166 has 16 divisors (see below), whose sum is σ = 121621893120. Its totient is φ = 39651290280.

The previous prime is 80189890159. The next prime is 80189890199. The reversal of 80189890166 is 66109898108.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428576 + ... + 586563.

It is an arithmetic number, because the mean of its divisors is an integer number (7601368320).

Almost surely, 2^80189890166 is an apocalyptic number.

80189890166 is a deficient number, since it is larger than the sum of its proper divisors (41432002954).

80189890166 is a wasteful number, since it uses less digits than its factorization.

80189890166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015579.

The product of its (nonzero) digits is 1492992, while the sum is 56.

The spelling of 80189890166 in words is "eighty billion, one hundred eighty-nine million, eight hundred ninety thousand, one hundred sixty-six".