80316566 has 16 divisors (see below), whose sum is σ = 134980560. Its totient is φ = 35520480.

The previous prime is 80316559. The next prime is 80316569. The reversal of 80316566 is 66561308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80316569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48521 + ... + 50148.

It is an arithmetic number, because the mean of its divisors is an integer number (8436285).

Almost surely, 2^80316566 is an apocalyptic number.

80316566 is a deficient number, since it is larger than the sum of its proper divisors (54663994).

80316566 is a wasteful number, since it uses less digits than its factorization.

80316566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98719.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 80316566 is about 8961.9510152645. The cubic root of 80316566 is about 431.4545406248.

The spelling of 80316566 in words is "eighty million, three hundred sixteen thousand, five hundred sixty-six".