42004116066 has 64 divisors (see below), whose sum is σ = 94901538816. Its totient is φ = 12278875200.

The previous prime is 42004116047. The next prime is 42004116083. The reversal of 42004116066 is 66061140024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 616201 + ... + 680963.

It is an arithmetic number, because the mean of its divisors is an integer number (1482836544).

Almost surely, 2^42004116066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42004116066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47450769408).

42004116066 is an abundant number, since it is smaller than the sum of its proper divisors (52897422750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42004116066 is a wasteful number, since it uses less digits than its factorization.

42004116066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65127.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 42004116066 in words is "forty-two billion, four million, one hundred sixteen thousand, sixty-six".