11664223634 has 128 divisors (see below), whose sum is σ = 22622561280. Its totient is φ = 4394041344.

The previous prime is 11664223631. The next prime is 11664223639. The reversal of 11664223634 is 43632246611.

It is a super-2 number, since 2×11664223634² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11664223631) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67423172 + ... + 67423344.

It is an arithmetic number, because the mean of its divisors is an integer number (176738760).

Almost surely, 2^11664223634 is an apocalyptic number.

11664223634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11664223634 is a deficient number, since it is larger than the sum of its proper divisors (10958337646).

11664223634 is a wasteful number, since it uses less digits than its factorization.

11664223634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its digits is 124416, while the sum is 38.

The spelling of 11664223634 in words is "eleven billion, six hundred sixty-four million, two hundred twenty-three thousand, six hundred thirty-four".