13099816078 has 4 divisors (see below), whose sum is σ = 19649724120. Its totient is φ = 6549908038.

The previous prime is 13099816039. The next prime is 13099816087. The reversal of 13099816078 is 87061899031.

It is a happy number.

13099816078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3274954018 + ... + 3274954021.

It is an arithmetic number, because the mean of its divisors is an integer number (4912431030).

Almost surely, 2^13099816078 is an apocalyptic number.

13099816078 is a deficient number, since it is larger than the sum of its proper divisors (6549908042).

13099816078 is an equidigital number, since it uses as much as digits as its factorization.

13099816078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6549908041.

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 13099816078 in words is "thirteen billion, ninety-nine million, eight hundred sixteen thousand, seventy-eight".