80445066 has 16 divisors (see below), whose sum is σ = 173266464. Its totient is φ = 24752304.

The previous prime is 80445049. The next prime is 80445083. The reversal of 80445066 is 66054408.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80445049) and next prime (80445083).

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, 515596 + ... + 515751.

It is an arithmetic number, because the mean of its divisors is an integer number (10829154).

Almost surely, 2^80445066 is an apocalyptic number.

80445066 is an abundant number, since it is smaller than the sum of its proper divisors (92821398).

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

80445066 is a wasteful number, since it uses less digits than its factorization.

80445066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031365.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 80445066 is about 8969.1173478777. The cubic root of 80445066 is about 431.6845154605.

The spelling of 80445066 in words is "eighty million, four hundred forty-five thousand, sixty-six".