42116186 has 24 divisors (see below), whose sum is σ = 73751616. Its totient is φ = 17985240.

The previous prime is 42116167. The next prime is 42116189. The reversal of 42116186 is 68161124.

It is a super-3 number, since 3×42116186³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42116189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35381 + ... + 36551.

It is an arithmetic number, because the mean of its divisors is an integer number (3072984).

Almost surely, 2^42116186 is an apocalyptic number.

42116186 is a deficient number, since it is larger than the sum of its proper divisors (31635430).

42116186 is a wasteful number, since it uses less digits than its factorization.

42116186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554 (or 1547 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 42116186 is about 6489.6984521625. The cubic root of 42116186 is about 347.9228976585.

The spelling of 42116186 in words is "forty-two million, one hundred sixteen thousand, one hundred eighty-six".