13552163331 has 8 divisors (see below), whose sum is σ = 20650915584. Its totient is φ = 7744093320.

The previous prime is 13552163311. The next prime is 13552163341. The reversal of 13552163331 is 13336125531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13552163331 - 2¹³ = 13552155139 is a prime.

It is a super-2 number, since 2×13552163331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13552163292 and 13552163301.

It is not an unprimeable number, because it can be changed into a prime (13552163311) 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, 322670535 + ... + 322670576.

It is an arithmetic number, because the mean of its divisors is an integer number (2581364448).

Almost surely, 2^13552163331 is an apocalyptic number.

13552163331 is a deficient number, since it is larger than the sum of its proper divisors (7098752253).

13552163331 is an equidigital number, since it uses as much as digits as its factorization.

13552163331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645341121.

The product of its digits is 24300, while the sum is 33.

Adding to 13552163331 its reverse (13336125531), we get a palindrome (26888288862).

The spelling of 13552163331 in words is "thirteen billion, five hundred fifty-two million, one hundred sixty-three thousand, three hundred thirty-one".