11664375 has 20 divisors (see below), whose sum is σ = 19437528. Its totient is φ = 6220000.

The previous prime is 11664353. The next prime is 11664383. The reversal of 11664375 is 57346611.

It is not a de Polignac number, because 11664375 - 2⁵ = 11664343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1236 + ... + 4985.

Almost surely, 2^11664375 is an apocalyptic number.

11664375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11664375 is a deficient number, since it is larger than the sum of its proper divisors (7773153).

11664375 is an frugal number, since it uses more digits than its factorization.

11664375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6244 (or 6229 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 11664375 is about 3415.3147731944. The cubic root of 11664375 is about 226.7882193583.

The spelling of 11664375 in words is "eleven million, six hundred sixty-four thousand, three hundred seventy-five".