13494266816 has 56 divisors (see below), whose sum is σ = 27499299840. Its totient is φ = 6567724800.

The previous prime is 13494266803. The next prime is 13494266827. The reversal of 13494266816 is 61866249431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340181 + ... + 377771.

Almost surely, 2^13494266816 is an apocalyptic number.

13494266816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13494266816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13749649920).

13494266816 is an abundant number, since it is smaller than the sum of its proper divisors (14005033024).

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

13494266816 is an equidigital number, since it uses as much as digits as its factorization.

13494266816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37753 (or 37743 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 50.

The spelling of 13494266816 in words is "thirteen billion, four hundred ninety-four million, two hundred sixty-six thousand, eight hundred sixteen".