16007320858 has 4 divisors (see below), whose sum is σ = 24010981290. Its totient is φ = 8003660428.

The previous prime is 16007320831. The next prime is 16007320871. The reversal of 16007320858 is 85802370061.

16007320858 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, and also an emirpimes, since its reverse is a distinct semiprime: 85802370061 = 173 ⋅495967457.

It can be written as a sum of positive squares in only one way, i.e., 13809305169 + 2198015689 = 117513^2 + 46883^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 16007320858.

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, 4001830213 + ... + 4001830216.

Almost surely, 2^16007320858 is an apocalyptic number.

16007320858 is a deficient number, since it is larger than the sum of its proper divisors (8003660432).

16007320858 is an equidigital number, since it uses as much as digits as its factorization.

16007320858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003660431.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 16007320858 in words is "sixteen billion, seven million, three hundred twenty thousand, eight hundred fifty-eight".