10664985 has 32 divisors (see below), whose sum is σ = 18754560. Its totient is φ = 5151168.

The previous prime is 10664977. The next prime is 10665013. The reversal of 10664985 is 58946601.

It is not a de Polignac number, because 10664985 - 2³ = 10664977 is a prime.

It is a super-2 number, since 2×10664985² = 227483810100450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5742 + ... + 7368.

It is an arithmetic number, because the mean of its divisors is an integer number (586080).

Almost surely, 2^10664985 is an apocalyptic number.

10664985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10664985 is a deficient number, since it is larger than the sum of its proper divisors (8089575).

10664985 is a wasteful number, since it uses less digits than its factorization.

10664985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 10664985 is about 3265.7288619847. The cubic root of 10664985 is about 220.1169144413.

The spelling of 10664985 in words is "ten million, six hundred sixty-four thousand, nine hundred eighty-five".