13663361156 has 6 divisors (see below), whose sum is σ = 23910882030. Its totient is φ = 6831680576.

The previous prime is 13663361113. The next prime is 13663361249. The reversal of 13663361156 is 65116336631.

It can be written as a sum of positive squares in only one way, i.e., 11060728900 + 2602632256 = 105170^2 + 51016^2 .

It is a super-3 number, since 3×13663361156³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1707920141 + ... + 1707920148.

It is an arithmetic number, because the mean of its divisors is an integer number (3985147005).

Almost surely, 2^13663361156 is an apocalyptic number.

It is an amenable number.

13663361156 is a deficient number, since it is larger than the sum of its proper divisors (10247520874).

13663361156 is a wasteful number, since it uses less digits than its factorization.

13663361156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415840293 (or 3415840291 counting only the distinct ones).

The product of its digits is 174960, while the sum is 41.

Adding to 13663361156 its reverse (65116336631), we get a palindrome (78779697787).

The spelling of 13663361156 in words is "thirteen billion, six hundred sixty-three million, three hundred sixty-one thousand, one hundred fifty-six".