80370666 has 12 divisors (see below), whose sum is σ = 174136482. Its totient is φ = 26790216.

The previous prime is 80370637. The next prime is 80370673. The reversal of 80370666 is 66607308.

It is a happy number.

80370666 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in only one way, i.e., 78057225 + 2313441 = 8835^2 + 1521^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80370666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2232501 + ... + 2232536.

Almost surely, 2^80370666 is an apocalyptic number.

80370666 is an abundant number, since it is smaller than the sum of its proper divisors (93765816).

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

80370666 is a wasteful number, since it uses less digits than its factorization.

80370666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4465045 (or 4465042 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 80370666 is about 8964.9688231471. The cubic root of 80370666 is about 431.5513925899.

The spelling of 80370666 in words is "eighty million, three hundred seventy thousand, six hundred sixty-six".