13565617232198 has 16 divisors (see below), whose sum is σ = 20356229640240. Its totient is φ = 6780207746016.

The previous prime is 13565617232191. The next prime is 13565617232287. The reversal of 13565617232198 is 89123271656531.

It is a super-2 number, since 2×13565617232198² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13565617232191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74064740 + ... + 74247672.

It is an arithmetic number, because the mean of its divisors is an integer number (1272264352515).

Almost surely, 2^{13565617232198} is an apocalyptic number.

13565617232198 is a deficient number, since it is larger than the sum of its proper divisors (6790612408042).

13565617232198 is a wasteful number, since it uses less digits than its factorization.

13565617232198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196951.

The product of its digits is 16329600, while the sum is 59.

The spelling of 13565617232198 in words is "thirteen trillion, five hundred sixty-five billion, six hundred seventeen million, two hundred thirty-two thousand, one hundred ninety-eight".