13276345016 has 64 divisors (see below), whose sum is σ = 28361249280. Its totient is φ = 5767358080.

The previous prime is 13276345003. The next prime is 13276345051. The reversal of 13276345016 is 61054367231.

It is a super-2 number, since 2×13276345016² (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 in 15 ways as a sum of consecutive naturals, for example, 3311285 + ... + 3315291.

It is an arithmetic number, because the mean of its divisors is an integer number (443144520).

Almost surely, 2^13276345016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13276345016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14180624640).

13276345016 is an abundant number, since it is smaller than the sum of its proper divisors (15084904264).

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

13276345016 is a wasteful number, since it uses less digits than its factorization.

13276345016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684 (or 5680 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 13276345016 in words is "thirteen billion, two hundred seventy-six million, three hundred forty-five thousand, sixteen".