80340666 has 16 divisors (see below), whose sum is σ = 183635904. Its totient is φ = 22954464.

The previous prime is 80340647. The next prime is 80340671. The reversal of 80340666 is 66604308.

It is a super-2 number, since 2×80340666² = 12909245226647112, which contains 22 as substring.

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, 956395 + ... + 956478.

It is an arithmetic number, because the mean of its divisors is an integer number (11477244).

Almost surely, 2^80340666 is an apocalyptic number.

80340666 is an abundant number, since it is smaller than the sum of its proper divisors (103295238).

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

80340666 is a wasteful number, since it uses less digits than its factorization.

80340666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912885.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 80340666 is about 8963.2954877099. The cubic root of 80340666 is about 431.4976907705.

The spelling of 80340666 in words is "eighty million, three hundred forty thousand, six hundred sixty-six".