11664501 has 8 divisors (see below), whose sum is σ = 15583584. Its totient is φ = 7760880.

The previous prime is 11664487. The next prime is 11664503. The reversal of 11664501 is 10546611.

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

It is not a de Polignac number, because 11664501 - 2⁶ = 11664437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11664503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1971 + ... + 5216.

It is an arithmetic number, because the mean of its divisors is an integer number (1947948).

Almost surely, 2^11664501 is an apocalyptic number.

It is an amenable number.

11664501 is a deficient number, since it is larger than the sum of its proper divisors (3919083).

11664501 is an equidigital number, since it uses as much as digits as its factorization.

11664501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7731.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 11664501 is about 3415.3332194678. Note that the first 3 decimals coincide. The cubic root of 11664501 is about 226.7890359533.

The spelling of 11664501 in words is "eleven million, six hundred sixty-four thousand, five hundred one".