85639231360666 has 16 divisors (see below), whose sum is σ = 128741745925728. Its totient is φ = 42725410686000.

The previous prime is 85639231360589. The next prime is 85639231360681. The reversal of 85639231360666 is 66606313293658.

It is a junction number, because it is equal to n+sod(n) for n = 85639231360598 and 85639231360607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21847500 + ... + 25467463.

It is an arithmetic number, because the mean of its divisors is an integer number (8046359120358).

Almost surely, 2^{85639231360666} is an apocalyptic number.

85639231360666 is a deficient number, since it is larger than the sum of its proper divisors (43102514565062).

85639231360666 is a wasteful number, since it uses less digits than its factorization.

85639231360666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47316957.

The product of its (nonzero) digits is 151165440, while the sum is 64.

The spelling of 85639231360666 in words is "eighty-five trillion, six hundred thirty-nine billion, two hundred thirty-one million, three hundred sixty thousand, six hundred sixty-six".