66357875366 has 4 divisors (see below), whose sum is σ = 99536813052. Its totient is φ = 33178937682.

The previous prime is 66357875359. The next prime is 66357875369.

66357875366 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 66357875299 and 66357875308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66357875369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16589468840 + ... + 16589468843.

It is an arithmetic number, because the mean of its divisors is an integer number (24884203263).

Almost surely, 2^66357875366 is an apocalyptic number.

66357875366 is a deficient number, since it is larger than the sum of its proper divisors (33178937686).

66357875366 is a wasteful number, since it uses less digits than its factorization.

66357875366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33178937685.

The product of its digits is 114307200, while the sum is 62.

The spelling of 66357875366 in words is "sixty-six billion, three hundred fifty-seven million, eight hundred seventy-five thousand, three hundred sixty-six".