66593078286 has 48 divisors (see below), whose sum is σ = 154979075664. Its totient is φ = 19020669696.

The previous prime is 66593078281. The next prime is 66593078297. The reversal of 66593078286 is 68287039566.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66593078281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 958086 + ... + 1025238.

It is an arithmetic number, because the mean of its divisors is an integer number (3228730743).

Almost surely, 2^66593078286 is an apocalyptic number.

66593078286 is an abundant number, since it is smaller than the sum of its proper divisors (88385997378).

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

66593078286 is a wasteful number, since it uses less digits than its factorization.

66593078286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70545 (or 70538 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 66593078286 in words is "sixty-six billion, five hundred ninety-three million, seventy-eight thousand, two hundred eighty-six".