16800478158379 has 4 divisors (see below), whose sum is σ = 16802083872576. Its totient is φ = 16798872444184.

The previous prime is 16800478158329. The next prime is 16800478158413. The reversal of 16800478158379 is 97385187400861.

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

It is a cyclic number.

It is not a de Polignac number, because 16800478158379 - 2²¹ = 16800476061227 is a prime.

It is a super-3 number, since 3×16800478158379³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16800478158329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802841404 + ... + 802862329.

It is an arithmetic number, because the mean of its divisors is an integer number (4200520968144).

Almost surely, 2^{16800478158379} is an apocalyptic number.

16800478158379 is a deficient number, since it is larger than the sum of its proper divisors (1605714197).

16800478158379 is a wasteful number, since it uses less digits than its factorization.

16800478158379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605714196.

The product of its (nonzero) digits is 81285120, while the sum is 67.

The spelling of 16800478158379 in words is "sixteen trillion, eight hundred billion, four hundred seventy-eight million, one hundred fifty-eight thousand, three hundred seventy-nine".