13267123616 has 48 divisors (see below), whose sum is σ = 27881703360. Its totient is φ = 6195893760.

The previous prime is 13267123601. The next prime is 13267123619. The reversal of 13267123616 is 61632176231.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 13267123616.

It is not an unprimeable number, because it can be changed into a prime (13267123619) 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, 110501 + ... + 196836.

It is an arithmetic number, because the mean of its divisors is an integer number (580868820).

Almost surely, 2^13267123616 is an apocalyptic number.

13267123616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13267123616 is an abundant number, since it is smaller than the sum of its proper divisors (14614579744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13267123616 is a wasteful number, since it uses less digits than its factorization.

13267123616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307437 (or 307429 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

Adding to 13267123616 its reverse (61632176231), we get a palindrome (74899299847).

The spelling of 13267123616 in words is "thirteen billion, two hundred sixty-seven million, one hundred twenty-three thousand, six hundred sixteen".