80053693566 has 64 divisors (see below), whose sum is σ = 211356449280. Its totient is φ = 19570037760.

The previous prime is 80053693537. The next prime is 80053693591. The reversal of 80053693566 is 66539635008.

It is a Harshad number since it is a multiple of its sum of digits (51).

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 31 ways as a sum of consecutive naturals, for example, 5088511 + ... + 5104218.

It is an arithmetic number, because the mean of its divisors is an integer number (3302444520).

Almost surely, 2^80053693566 is an apocalyptic number.

80053693566 is an abundant number, since it is smaller than the sum of its proper divisors (131302755714).

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

80053693566 is a wasteful number, since it uses less digits than its factorization.

80053693566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10192769.

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 80053693566 in words is "eighty billion, fifty-three million, six hundred ninety-three thousand, five hundred sixty-six".