80420066662 has 16 divisors (see below), whose sum is σ = 130562157600. Its totient is φ = 36930434112.

The previous prime is 80420066647. The next prime is 80420066719. The reversal of 80420066662 is 26666002408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7766383 + ... + 7776730.

It is an arithmetic number, because the mean of its divisors is an integer number (8160134850).

Almost surely, 2^80420066662 is an apocalyptic number.

80420066662 is a deficient number, since it is larger than the sum of its proper divisors (50142090938).

80420066662 is a wasteful number, since it uses less digits than its factorization.

80420066662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15543327.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 80420066662 in words is "eighty billion, four hundred twenty million, sixty-six thousand, six hundred sixty-two".