42016622065 has 32 divisors (see below), whose sum is σ = 57692756736. Its totient is φ = 29077340160.

The previous prime is 42016622057. The next prime is 42016622069. The reversal of 42016622065 is 56022661024.

It is not a de Polignac number, because 42016622065 - 2³ = 42016622057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42016622065.

It is not an unprimeable number, because it can be changed into a prime (42016622069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158097 + ... + 330193.

It is an arithmetic number, because the mean of its divisors is an integer number (1802898648).

Almost surely, 2^42016622065 is an apocalyptic number.

It is an amenable number.

42016622065 is a deficient number, since it is larger than the sum of its proper divisors (15676134671).

42016622065 is a wasteful number, since it uses less digits than its factorization.

42016622065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172329.

The product of its (nonzero) digits is 34560, while the sum is 34.

It can be divided in two parts, 4201 and 6622065, that added together give a palindrome (6626266).

The spelling of 42016622065 in words is "forty-two billion, sixteen million, six hundred twenty-two thousand, sixty-five".