11668518334 has 16 divisors (see below), whose sum is σ = 19095724656. Its totient is φ = 5303376000.

The previous prime is 11668518331. The next prime is 11668518347. The reversal of 11668518334 is 43381586611.

It is a happy number.

It is a super-2 number, since 2×11668518334² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11668518331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326224 + ... + 360220.

It is an arithmetic number, because the mean of its divisors is an integer number (1193482791).

Almost surely, 2^11668518334 is an apocalyptic number.

11668518334 is a deficient number, since it is larger than the sum of its proper divisors (7427206322).

11668518334 is a wasteful number, since it uses less digits than its factorization.

11668518334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49611.

The product of its digits is 414720, while the sum is 46.

The spelling of 11668518334 in words is "eleven billion, six hundred sixty-eight million, five hundred eighteen thousand, three hundred thirty-four".