13155323442466 has 32 divisors (see below), whose sum is σ = 20107373832000. Its totient is φ = 6454415067840.

The previous prime is 13155323442433. The next prime is 13155323442467. The reversal of 13155323442466 is 66424432355131.

It is a super-2 number, since 2×13155323442466² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13155323442467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7399860 + ... + 9003808.

It is an arithmetic number, because the mean of its divisors is an integer number (628355432250).

Almost surely, 2^{13155323442466} is an apocalyptic number.

13155323442466 is a deficient number, since it is larger than the sum of its proper divisors (6952050389534).

13155323442466 is a wasteful number, since it uses less digits than its factorization.

13155323442466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604434.

The product of its digits is 6220800, while the sum is 49.

Adding to 13155323442466 its reverse (66424432355131), we get a palindrome (79579755797597).

The spelling of 13155323442466 in words is "thirteen trillion, one hundred fifty-five billion, three hundred twenty-three million, four hundred forty-two thousand, four hundred sixty-six".