11644668 has 96 divisors (see below), whose sum is σ = 35141120. Its totient is φ = 3265920.

The previous prime is 11644637. The next prime is 11644691. The reversal of 11644668 is 86644611.

11644668 is a `hidden beast` number, since 1 + 1 + 644 + 6 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55083 + ... + 55293.

Almost surely, 2^11644668 is an apocalyptic number.

11644668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11644668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17570560).

11644668 is an abundant number, since it is smaller than the sum of its proper divisors (23496452).

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

11644668 is a wasteful number, since it uses less digits than its factorization.

11644668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 296 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 11644668 is about 3412.4284607886. The cubic root of 11644668 is about 226.6604275484.

It can be divided in two parts, 1164 and 4668, that added together give a cube (5832 = 18³).

The spelling of 11644668 in words is "eleven million, six hundred forty-four thousand, six hundred sixty-eight".