13163615053646 has 32 divisors (see below), whose sum is σ = 20405480214528. Its totient is φ = 6362272429920.

The previous prime is 13163615053643. The next prime is 13163615053657. The reversal of 13163615053646 is 64635051636131.

It is a super-2 number, since 2×13163615053646² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13163615053594 and 13163615053603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13163615053643) 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, 340064225 + ... + 340102931.

It is an arithmetic number, because the mean of its divisors is an integer number (637671256704).

Almost surely, 2^{13163615053646} is an apocalyptic number.

13163615053646 is a deficient number, since it is larger than the sum of its proper divisors (7241865160882).

13163615053646 is a wasteful number, since it uses less digits than its factorization.

13163615053646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44816.

The product of its (nonzero) digits is 3499200, while the sum is 50.

Adding to 13163615053646 its reverse (64635051636131), we get a palindrome (77798666689777).

The spelling of 13163615053646 in words is "thirteen trillion, one hundred sixty-three billion, six hundred fifteen million, fifty-three thousand, six hundred forty-six".