66567106122 has 64 divisors (see below), whose sum is σ = 146857826304. Its totient is φ = 19947133440.

The previous prime is 66567106117. The next prime is 66567106139. The reversal of 66567106122 is 22160176566.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9106393 + ... + 9113699.

It is an arithmetic number, because the mean of its divisors is an integer number (2294653536).

Almost surely, 2^66567106122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66567106122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73428913152).

66567106122 is an abundant number, since it is smaller than the sum of its proper divisors (80290720182).

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

66567106122 is a wasteful number, since it uses less digits than its factorization.

66567106122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8843.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 66567106122 in words is "sixty-six billion, five hundred sixty-seven million, one hundred six thousand, one hundred twenty-two".