11664078 has 8 divisors (see below), whose sum is σ = 23328168. Its totient is φ = 3888024.

The previous prime is 11664077. The next prime is 11664089. The reversal of 11664078 is 87046611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

11664078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11664071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972001 + ... + 972012.

It is an arithmetic number, because the mean of its divisors is an integer number (2916021).

Almost surely, 2^11664078 is an apocalyptic number.

11664078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11664078 is a wasteful number, since it uses less digits than its factorization.

11664078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944018.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 11664078 is about 3415.2712922988. The cubic root of 11664078 is about 226.7862945038.

The spelling of 11664078 in words is "eleven million, six hundred sixty-four thousand, seventy-eight".