10142666 has 8 divisors (see below), whose sum is σ = 15264480. Its totient is φ = 5054508.

The previous prime is 10142651. The next prime is 10142681. The reversal of 10142666 is 66624101.

It is a happy number.

10142666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10142651) and next prime (10142681).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7646 + ... + 8873.

It is an arithmetic number, because the mean of its divisors is an integer number (1908060).

Almost surely, 2^10142666 is an apocalyptic number.

10142666 is a deficient number, since it is larger than the sum of its proper divisors (5121814).

10142666 is a wasteful number, since it uses less digits than its factorization.

10142666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16828.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 10142666 is about 3184.7552496228. The cubic root of 10142666 is about 216.4631835801.

Adding to 10142666 its reverse (66624101), we get a palindrome (76766767).

The spelling of 10142666 in words is "ten million, one hundred forty-two thousand, six hundred sixty-six".