10000664 has 8 divisors (see below), whose sum is σ = 18751260. Its totient is φ = 5000328.

The previous prime is 10000657. The next prime is 10000667. The reversal of 10000664 is 46600001.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625034 + ... + 625049.

Almost surely, 2^10000664 is an apocalyptic number.

It is an amenable number.

10000664 is a deficient number, since it is larger than the sum of its proper divisors (8750596).

10000664 is a wasteful number, since it uses less digits than its factorization.

10000664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250089 (or 1250085 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 10000664 is about 3162.3826460440. The cubic root of 10000664 is about 215.4482373798.

Adding to 10000664 its reverse (46600001), we get a palindrome (56600665).

The spelling of 10000664 in words is "ten million, six hundred sixty-four", and thus it is an aban number.