10042666 has 16 divisors (see below), whose sum is σ = 15396480. Its totient is φ = 4911760.

The previous prime is 10042639. The next prime is 10042673. The reversal of 10042666 is 66624001.

It is a happy number.

10042666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10042666.

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, 27795 + ... + 28153.

It is an arithmetic number, because the mean of its divisors is an integer number (962280).

Almost surely, 2^10042666 is an apocalyptic number.

10042666 is a deficient number, since it is larger than the sum of its proper divisors (5353814).

10042666 is a wasteful number, since it uses less digits than its factorization.

10042666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 10042666 is about 3169.0165666970. The cubic root of 10042666 is about 215.7494379674.

Adding to 10042666 its reverse (66624001), we get a palindrome (76666667).

The spelling of 10042666 in words is "ten million, forty-two thousand, six hundred sixty-six".