10140666 has 16 divisors (see below), whose sum is σ = 20318688. Its totient is φ = 3374000.

The previous prime is 10140643. The next prime is 10140709. The reversal of 10140666 is 66604101.

It is a Curzon 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, 3001 + ... + 5411.

It is an arithmetic number, because the mean of its divisors is an integer number (1269918).

Almost surely, 2^10140666 is an apocalyptic number.

10140666 is an abundant number, since it is smaller than the sum of its proper divisors (10178022).

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

10140666 is a wasteful number, since it uses less digits than its factorization.

10140666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 10140666 is about 3184.4412382709. The cubic root of 10140666 is about 216.4489547496.

Adding to 10140666 its reverse (66604101), we get a palindrome (76744767).

The spelling of 10140666 in words is "ten million, one hundred forty thousand, six hundred sixty-six".