80771166 has 48 divisors (see below), whose sum is σ = 210537600. Its totient is φ = 21862224.

The previous prime is 80771153. The next prime is 80771167. The reversal of 80771166 is 66117708.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80771166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80771167) 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 in 23 ways as a sum of consecutive naturals, for example, 14476 + ... + 19263.

It is an arithmetic number, because the mean of its divisors is an integer number (4386200).

Almost surely, 2^80771166 is an apocalyptic number.

80771166 is an abundant number, since it is smaller than the sum of its proper divisors (129766434).

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

80771166 is a wasteful number, since it uses less digits than its factorization.

80771166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33773 (or 33770 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 80771166 is about 8987.2780083850. The cubic root of 80771166 is about 432.2670352616.

The spelling of 80771166 in words is "eighty million, seven hundred seventy-one thousand, one hundred sixty-six".