11666823344 has 20 divisors (see below), whose sum is σ = 24659422440. Its totient is φ = 5303101440.

The previous prime is 11666823331. The next prime is 11666823353. The reversal of 11666823344 is 44332866611.

11666823344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11666823344² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 11666823295 and 11666823304.

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 3 ways as a sum of consecutive naturals, for example, 33144209 + ... + 33144560.

It is an arithmetic number, because the mean of its divisors is an integer number (1232971122).

Almost surely, 2^11666823344 is an apocalyptic number.

It is an amenable number.

11666823344 is an abundant number, since it is smaller than the sum of its proper divisors (12992599096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11666823344 is a wasteful number, since it uses less digits than its factorization.

11666823344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66288788 (or 66288782 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The spelling of 11666823344 in words is "eleven billion, six hundred sixty-six million, eight hundred twenty-three thousand, three hundred forty-four".