66101444622 has 24 divisors (see below), whose sum is σ = 143226918120. Its totient is φ = 22032719280.

The previous prime is 66101444599. The next prime is 66101444623. The reversal of 66101444622 is 22644410166.

66101444622 is a `hidden beast` number, since 6 + 6 + 10 + 14 + 4 + 4 + 622 = 666.

It is a super-2 number, since 2×66101444622² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66101444623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334404 + ... + 493992.

It is an arithmetic number, because the mean of its divisors is an integer number (5967788255).

Almost surely, 2^66101444622 is an apocalyptic number.

66101444622 is an abundant number, since it is smaller than the sum of its proper divisors (77125473498).

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

66101444622 is a wasteful number, since it uses less digits than its factorization.

66101444622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182608 (or 182605 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

Adding to 66101444622 its reverse (22644410166), we get a palindrome (88745854788).

The spelling of 66101444622 in words is "sixty-six billion, one hundred one million, four hundred forty-four thousand, six hundred twenty-two".