80066 has 24 divisors (see below), whose sum is σ = 150480. Its totient is φ = 31752.

The previous prime is 80051. The next prime is 80071. The reversal of 80066 is 66008.

80066 is a modest number, since divided by 66 gives 8 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1841 + ... + 1883.

It is an arithmetic number, because the mean of its divisors is an integer number (6270).

2⁸⁰⁰⁶⁶ is an apocalyptic number.

80066 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

80066 is a deficient number, since it is larger than the sum of its proper divisors (70414).

80066 is a wasteful number, since it uses less digits than its factorization.

80066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 80066 is about 282.9593610397. The cubic root of 80066 is about 43.1005399343.

The spelling of 80066 in words is "eighty thousand, sixty-six".