13162243522646 has 16 divisors (see below), whose sum is σ = 19796040747504. Its totient is φ = 6563583446784.

The previous prime is 13162243522621. The next prime is 13162243522733. The reversal of 13162243522646 is 64622534226131.

It is a super-2 number, since 2×13162243522646² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13162243522646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3737315 + ... + 6347598.

It is an arithmetic number, because the mean of its divisors is an integer number (1237252546719).

Almost surely, 2^{13162243522646} is an apocalyptic number.

13162243522646 is a deficient number, since it is larger than the sum of its proper divisors (6633797224858).

13162243522646 is a wasteful number, since it uses less digits than its factorization.

13162243522646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086655.

The product of its digits is 2488320, while the sum is 47.

Adding to 13162243522646 its reverse (64622534226131), we get a palindrome (77784777748777).

The spelling of 13162243522646 in words is "thirteen trillion, one hundred sixty-two billion, two hundred forty-three million, five hundred twenty-two thousand, six hundred forty-six".