10666504 has 8 divisors (see below), whose sum is σ = 19999710. Its totient is φ = 5333248.

The previous prime is 10666499. The next prime is 10666517. The reversal of 10666504 is 40566601.

It can be written as a sum of positive squares in only one way, i.e., 10304100 + 362404 = 3210^2 + 602^2 .

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

It is a super-2 number, since 2×10666504² = 227548615164032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666649 + ... + 666664.

Almost surely, 2^10666504 is an apocalyptic number.

It is an amenable number.

10666504 is a deficient number, since it is larger than the sum of its proper divisors (9333206).

10666504 is a wasteful number, since it uses less digits than its factorization.

10666504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333319 (or 1333315 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 10666504 is about 3265.9614204702. The cubic root of 10666504 is about 220.1273642675.

The spelling of 10666504 in words is "ten million, six hundred sixty-six thousand, five hundred four".