66112140255022 has 8 divisors (see below), whose sum is σ = 105001634522736. Its totient is φ = 31111595414112.

The previous prime is 66112140254981. The next prime is 66112140255023. The reversal of 66112140255022 is 22055204121166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66112140255023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972237356658 + ... + 972237356725.

It is an arithmetic number, because the mean of its divisors is an integer number (13125204315342).

Almost surely, 2^{66112140255022} is an apocalyptic number.

66112140255022 is a deficient number, since it is larger than the sum of its proper divisors (38889494267714).

66112140255022 is a wasteful number, since it uses less digits than its factorization.

66112140255022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944474713402.

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 66112140255022 its reverse (22055204121166), we get a palindrome (88167344376188).

The spelling of 66112140255022 in words is "sixty-six trillion, one hundred twelve billion, one hundred forty million, two hundred fifty-five thousand, twenty-two".