80536166 has 4 divisors (see below), whose sum is σ = 120804252. Its totient is φ = 40268082.

The previous prime is 80536163. The next prime is 80536187. The reversal of 80536166 is 66163508.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80536163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20134040 + ... + 20134043.

It is an arithmetic number, because the mean of its divisors is an integer number (30201063).

Almost surely, 2^80536166 is an apocalyptic number.

80536166 is a deficient number, since it is larger than the sum of its proper divisors (40268086).

80536166 is a wasteful number, since it uses less digits than its factorization.

80536166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40268085.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 80536166 is about 8974.1944485285. The cubic root of 80536166 is about 431.8474076699.

The spelling of 80536166 in words is "eighty million, five hundred thirty-six thousand, one hundred sixty-six".