11664654 has 32 divisors (see below), whose sum is σ = 24071040. Its totient is φ = 3766752.

The previous prime is 11664643. The next prime is 11664659. The reversal of 11664654 is 45646611.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11664659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29184 + ... + 29580.

It is an arithmetic number, because the mean of its divisors is an integer number (752220).

Almost surely, 2^11664654 is an apocalyptic number.

11664654 is an abundant number, since it is smaller than the sum of its proper divisors (12406386).

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

11664654 is a wasteful number, since it uses less digits than its factorization.

11664654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its digits is 17280, while the sum is 33.

The square root of 11664654 is about 3415.3556183800. The cubic root of 11664654 is about 226.7900275251.

The spelling of 11664654 in words is "eleven million, six hundred sixty-four thousand, six hundred fifty-four".