42340166 has 16 divisors (see below), whose sum is σ = 73360080. Its totient is φ = 18113280.

The previous prime is 42340157. The next prime is 42340169. The reversal of 42340166 is 66104324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340169) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 56231 + ... + 56978.

It is an arithmetic number, because the mean of its divisors is an integer number (4585005).

Almost surely, 2^42340166 is an apocalyptic number.

42340166 is a deficient number, since it is larger than the sum of its proper divisors (31019914).

42340166 is a wasteful number, since it uses less digits than its factorization.

42340166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113239.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42340166 is about 6506.9321496386. The cubic root of 42340166 is about 348.5385757068.

The spelling of 42340166 in words is "forty-two million, three hundred forty thousand, one hundred sixty-six".