80666064 has 40 divisors (see below), whose sum is σ = 231542720. Its totient is φ = 26888544.

The previous prime is 80666029. The next prime is 80666093. The reversal of 80666064 is 46066608.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 92932 + ... + 93795.

It is an arithmetic number, because the mean of its divisors is an integer number (5788568).

Almost surely, 2^80666064 is an apocalyptic number.

It is an amenable number.

80666064 is an abundant number, since it is smaller than the sum of its proper divisors (150876656).

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

80666064 is a wasteful number, since it uses less digits than its factorization.

80666064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186744 (or 186732 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 80666064 is about 8981.4288395555. The cubic root of 80666064 is about 432.0794606920.

The spelling of 80666064 in words is "eighty million, six hundred sixty-six thousand, sixty-four".