85566466558 has 8 divisors (see below), whose sum is σ = 128363616720. Its totient is φ = 42778594320.

The previous prime is 85566466523. The next prime is 85566466603.

85566466558 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85566466558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2296378 + ... + 2333341.

It is an arithmetic number, because the mean of its divisors is an integer number (16045452090).

Almost surely, 2^85566466558 is an apocalyptic number.

85566466558 is a deficient number, since it is larger than the sum of its proper divisors (42797150162).

85566466558 is a wasteful number, since it uses less digits than its factorization.

85566466558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638962.

The product of its digits is 207360000, while the sum is 64.

The spelling of 85566466558 in words is "eighty-five billion, five hundred sixty-six million, four hundred sixty-six thousand, five hundred fifty-eight".