10666664 has 32 divisors (see below), whose sum is σ = 21600000. Its totient is φ = 4923072.

The previous prime is 10666609. The next prime is 10666673. The reversal of 10666664 is 46666601.

It is a super-2 number, since 2×10666664² = 227555441777792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4337 + ... + 6335.

It is an arithmetic number, because the mean of its divisors is an integer number (675000).

Almost surely, 2^10666664 is an apocalyptic number.

It is an amenable number.

10666664 is an abundant number, since it is smaller than the sum of its proper divisors (10933336).

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

10666664 is a wasteful number, since it uses less digits than its factorization.

10666664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 10666664 is about 3265.9859154626. The cubic root of 10666664 is about 220.1284649156.

The spelling of 10666664 in words is "ten million, six hundred sixty-six thousand, six hundred sixty-four".