42165116 has 24 divisors (see below), whose sum is σ = 84529536. Its totient is φ = 18028080.

The previous prime is 42165113. The next prime is 42165131. The reversal of 42165116 is 61156124.

42165116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42165113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12215 + ... + 15281.

It is an arithmetic number, because the mean of its divisors is an integer number (3522064).

Almost surely, 2^42165116 is an apocalyptic number.

It is an amenable number.

42165116 is an abundant number, since it is smaller than the sum of its proper divisors (42364420).

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

42165116 is a wasteful number, since it uses less digits than its factorization.

42165116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569 (or 3567 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 42165116 is about 6493.4671786342. The cubic root of 42165116 is about 348.0575828438.

The spelling of 42165116 in words is "forty-two million, one hundred sixty-five thousand, one hundred sixteen".