42087166 has 32 divisors (see below), whose sum is σ = 73249920. Its totient is φ = 17935200.

The previous prime is 42087151. The next prime is 42087169. The reversal of 42087166 is 66178024.

42087166 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 (42087169) 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 15 ways as a sum of consecutive naturals, for example, 44256 + ... + 45196.

It is an arithmetic number, because the mean of its divisors is an integer number (2289060).

Almost surely, 2^42087166 is an apocalyptic number.

42087166 is a deficient number, since it is larger than the sum of its proper divisors (31162754).

42087166 is a wasteful number, since it uses less digits than its factorization.

42087166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 42087166 is about 6487.4622156896. The cubic root of 42087166 is about 347.8429676413.

The spelling of 42087166 in words is "forty-two million, eighty-seven thousand, one hundred sixty-six".