10500666 has 32 divisors (see below), whose sum is σ = 23025600. Its totient is φ = 3166080.

The previous prime is 10500647. The next prime is 10500701. The reversal of 10500666 is 66600501.

It is a super-2 number, since 2×10500666² = 220527972887112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25470 + ... + 25878.

It is an arithmetic number, because the mean of its divisors is an integer number (719550).

Almost surely, 2^10500666 is an apocalyptic number.

10500666 is an abundant number, since it is smaller than the sum of its proper divisors (12524934).

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

10500666 is a wasteful number, since it uses less digits than its factorization.

10500666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 10500666 is about 3240.4731136055. The cubic root of 10500666 is about 218.9805866739.

It can be divided in two parts, 105006 and 66, that multiplied together give a palindrome (6930396).

The spelling of 10500666 in words is "ten million, five hundred thousand, six hundred sixty-six".