189233379266 has 12 divisors (see below), whose sum is σ = 290604754422. Its totient is φ = 92416299696.

The previous prime is 189233379259. The next prime is 189233379271. The reversal of 189233379266 is 662973332981.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 113852931241 + 75380448025 = 337421^2 + 274555^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25582211 + ... + 25589606.

Almost surely, 2^189233379266 is an apocalyptic number.

189233379266 is a deficient number, since it is larger than the sum of its proper divisors (101371375156).

189233379266 is an equidigital number, since it uses as much as digits as its factorization.

189233379266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51171905 (or 51171862 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 59.

The spelling of 189233379266 in words is "one hundred eighty-nine billion, two hundred thirty-three million, three hundred seventy-nine thousand, two hundred sixty-six".