13198296816 has 100 divisors (see below), whose sum is σ = 39860646672. Its totient is φ = 4208143104.

The previous prime is 13198296803. The next prime is 13198296823. The reversal of 13198296816 is 61869289131.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 191581 + ... + 251196.

Almost surely, 2^13198296816 is an apocalyptic number.

13198296816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13198296816 is an abundant number, since it is smaller than the sum of its proper divisors (26662349856).

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

13198296816 is a wasteful number, since it uses less digits than its factorization.

13198296816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442820 (or 442805 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The spelling of 13198296816 in words is "thirteen billion, one hundred ninety-eight million, two hundred ninety-six thousand, eight hundred sixteen".