13142223442566 has 48 divisors (see below), whose sum is σ = 30216460734720. Its totient is φ = 4119252537840.

The previous prime is 13142223442547. The next prime is 13142223442567. The reversal of 13142223442566 is 66524432224131.

13142223442566 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 22 + 23 + 4 + 42 + 566 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142223442567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268996770 + ... + 269045621.

It is an arithmetic number, because the mean of its divisors is an integer number (629509598640).

Almost surely, 2^{13142223442566} is an apocalyptic number.

13142223442566 is an abundant number, since it is smaller than the sum of its proper divisors (17074237292154).

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

13142223442566 is a wasteful number, since it uses less digits than its factorization.

13142223442566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538042481 (or 538042478 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

Adding to 13142223442566 its reverse (66524432224131), we get a palindrome (79666655666697).

The spelling of 13142223442566 in words is "thirteen trillion, one hundred forty-two billion, two hundred twenty-three million, four hundred forty-two thousand, five hundred sixty-six".