83842166668 has 24 divisors (see below), whose sum is σ = 158033790992. Its totient is φ = 38690616384.

The previous prime is 83842166641. The next prime is 83842166717. The reversal of 83842166668 is 86666124838.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242446 + ... + 475882.

Almost surely, 2^83842166668 is an apocalyptic number.

It is an amenable number.

83842166668 is a deficient number, since it is larger than the sum of its proper divisors (74191624324).

83842166668 is a wasteful number, since it uses less digits than its factorization.

83842166668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240361 (or 240359 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 58.

The spelling of 83842166668 in words is "eighty-three billion, eight hundred forty-two million, one hundred sixty-six thousand, six hundred sixty-eight".