13552273216 has 14 divisors (see below), whose sum is σ = 26892792290. Its totient is φ = 6776136576.

The previous prime is 13552273183. The next prime is 13552273253. The reversal of 13552273216 is 61237225531.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10425226816 + 3127046400 = 102104^2 + 55920^2 .

It is a super-2 number, since 2×13552273216² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105877071 + ... + 105877198.

It is an arithmetic number, because the mean of its divisors is an integer number (1920913735).

Almost surely, 2^13552273216 is an apocalyptic number.

13552273216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13552273216 is a deficient number, since it is larger than the sum of its proper divisors (13340519074).

13552273216 is an equidigital number, since it uses as much as digits as its factorization.

13552273216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211754281 (or 211754271 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

Adding to 13552273216 its reverse (61237225531), we get a palindrome (74789498747).

The spelling of 13552273216 in words is "thirteen billion, five hundred fifty-two million, two hundred seventy-three thousand, two hundred sixteen".