10066660 has 24 divisors (see below), whose sum is σ = 21362040. Its totient is φ = 3984384.

The previous prime is 10066631. The next prime is 10066681. The reversal of 10066660 is 6666001.

10066660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1909924 + 8156736 = 1382^2 + 2856^2 .

It is a congruent number.

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, 655 + ... + 4534.

It is an arithmetic number, because the mean of its divisors is an integer number (890085).

Almost surely, 2^10066660 is an apocalyptic number.

10066660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10066660 is an abundant number, since it is smaller than the sum of its proper divisors (11295380).

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

10066660 is a wasteful number, since it uses less digits than its factorization.

10066660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5295 (or 5293 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 10066660 is about 3172.8000252143. The cubic root of 10066660 is about 215.9211246076.

The spelling of 10066660 in words is "ten million, sixty-six thousand, six hundred sixty".