842102666 has 16 divisors (see below), whose sum is σ = 1291078656. Its totient is φ = 411757776.

The previous prime is 842102623. The next prime is 842102683. The reversal of 842102666 is 666201248.

842102666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 144440 + ... + 150156.

It is an arithmetic number, because the mean of its divisors is an integer number (80692416).

Almost surely, 2^842102666 is an apocalyptic number.

842102666 is a deficient number, since it is larger than the sum of its proper divisors (448975990).

842102666 is a wasteful number, since it uses less digits than its factorization.

842102666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7333.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 842102666 is about 29019.0052551772. The cubic root of 842102666 is about 944.3254206095.

The spelling of 842102666 in words is "eight hundred forty-two million, one hundred two thousand, six hundred sixty-six".