42161110 has 16 divisors (see below), whose sum is σ = 75964032. Its totient is φ = 16848000.

The previous prime is 42161087. The next prime is 42161111. The reversal of 42161110 is 1116124.

42161110 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 (42161111) 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, 18430 + ... + 20590.

It is an arithmetic number, because the mean of its divisors is an integer number (4747752).

Almost surely, 2^42161110 is an apocalyptic number.

42161110 is a deficient number, since it is larger than the sum of its proper divisors (33802922).

42161110 is a wasteful number, since it uses less digits than its factorization.

42161110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 42161110 is about 6493.1587074397. The cubic root of 42161110 is about 348.0465598073.

Adding to 42161110 its reverse (1116124), we get a palindrome (43277234).

The spelling of 42161110 in words is "forty-two million, one hundred sixty-one thousand, one hundred ten".