42111616 has 32 divisors (see below), whose sum is σ = 84211200. Its totient is φ = 20976384.

The previous prime is 42111611. The next prime is 42111623. The reversal of 42111616 is 61611124.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42111611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48595 + ... + 49453.

It is an arithmetic number, because the mean of its divisors is an integer number (2631600).

Almost surely, 2^42111616 is an apocalyptic number.

It is an amenable number.

42111616 is a deficient number, since it is larger than the sum of its proper divisors (42099584).

42111616 is an equidigital number, since it uses as much as digits as its factorization.

42111616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1244 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 42111616 is about 6489.3463461276. The cubic root of 42111616 is about 347.9103129074.

The spelling of 42111616 in words is "forty-two million, one hundred eleven thousand, six hundred sixteen".