386668866683 has 16 divisors (see below), whose sum is σ = 424092644352. Its totient is φ = 349628664000.

The previous prime is 386668866671. The next prime is 386668866737.

It is a happy number.

386668866683 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-386668866683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 386668866683.

It is not an unprimeable number, because it can be changed into a prime (386668866383) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1461863 + ... + 1705983.

It is an arithmetic number, because the mean of its divisors is an integer number (26505790272).

Almost surely, 2^386668866683 is an apocalyptic number.

386668866683 is a deficient number, since it is larger than the sum of its proper divisors (37423777669).

386668866683 is a wasteful number, since it uses less digits than its factorization.

386668866683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244906.

The product of its digits is 1719926784, while the sum is 74.

The spelling of 386668866683 in words is "three hundred eighty-six billion, six hundred sixty-eight million, eight hundred sixty-six thousand, six hundred eighty-three".