83942166 has 32 divisors (see below), whose sum is σ = 209311488. Its totient is φ = 21803040.

The previous prime is 83942147. The next prime is 83942179. The reversal of 83942166 is 66124938.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90385 + ... + 91308.

It is an arithmetic number, because the mean of its divisors is an integer number (6540984).

Almost surely, 2^83942166 is an apocalyptic number.

83942166 is an abundant number, since it is smaller than the sum of its proper divisors (125369322).

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

83942166 is a wasteful number, since it uses less digits than its factorization.

83942166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181716.

The product of its digits is 62208, while the sum is 39.

The square root of 83942166 is about 9161.9957432865. The cubic root of 83942166 is about 437.8513809487.

It can be divided in two parts, 83 and 942166, that added together give a palindrome (942249).

The spelling of 83942166 in words is "eighty-three million, nine hundred forty-two thousand, one hundred sixty-six".