16304878997813 has 8 divisors (see below), whose sum is σ = 18639761838720. Its totient is φ = 13971399760080.

The previous prime is 16304878997807. The next prime is 16304878997833. The reversal of 16304878997813 is 31879987840361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16304878997813 - 2²⁰ = 16304877949237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16304878997833) 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, 350875898 + ... + 350922363.

It is an arithmetic number, because the mean of its divisors is an integer number (2329970229840).

Almost surely, 2^{16304878997813} is an apocalyptic number.

It is an amenable number.

16304878997813 is a deficient number, since it is larger than the sum of its proper divisors (2334882840907).

16304878997813 is an equidigital number, since it uses as much as digits as its factorization.

16304878997813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701801587.

The product of its (nonzero) digits is 438939648, while the sum is 74.

The spelling of 16304878997813 in words is "sixteen trillion, three hundred four billion, eight hundred seventy-eight million, nine hundred ninety-seven thousand, eight hundred thirteen".