10664001 has 8 divisors (see below), whose sum is σ = 15798560. Its totient is φ = 7109316.

The previous prime is 10663993. The next prime is 10664011. The reversal of 10664001 is 10046601.

10664001 is a `hidden beast` number, since 1 + 0 + 664 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 10664001 - 2³ = 10663993 is a prime.

It is a super-2 number, since 2×10664001² = 227441834656002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10664011) 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, 197455 + ... + 197508.

It is an arithmetic number, because the mean of its divisors is an integer number (1974820).

Almost surely, 2^10664001 is an apocalyptic number.

It is an amenable number.

10664001 is a deficient number, since it is larger than the sum of its proper divisors (5134559).

10664001 is an equidigital number, since it uses as much as digits as its factorization.

10664001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394972 (or 394966 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 10664001 is about 3265.5782030140. The cubic root of 10664001 is about 220.1101445706.

The spelling of 10664001 in words is "ten million, six hundred sixty-four thousand, one".