11668333389 has 12 divisors (see below), whose sum is σ = 16263614976. Its totient is φ = 7440675352.

The previous prime is 11668333363. The next prime is 11668333393. The reversal of 11668333389 is 98333386611.

It is a happy number.

It is not a de Polignac number, because 11668333389 - 2¹² = 11668329293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11668333399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3674637 + ... + 3677810.

It is an arithmetic number, because the mean of its divisors is an integer number (1355301248).

Almost surely, 2^11668333389 is an apocalyptic number.

It is an amenable number.

11668333389 is a deficient number, since it is larger than the sum of its proper divisors (4595281587).

11668333389 is an equidigital number, since it uses as much as digits as its factorization.

11668333389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352496 (or 7352473 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 51.

The spelling of 11668333389 in words is "eleven billion, six hundred sixty-eight million, three hundred thirty-three thousand, three hundred eighty-nine".