16328383894 has 16 divisors (see below), whose sum is σ = 26381234880. Its totient is φ = 7554624840.

The previous prime is 16328383889. The next prime is 16328383927. The reversal of 16328383894 is 49838382361.

16328383894 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16328383894² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4994812 + ... + 4998079.

It is an arithmetic number, because the mean of its divisors is an integer number (1648827180).

Almost surely, 2^16328383894 is an apocalyptic number.

16328383894 is a deficient number, since it is larger than the sum of its proper divisors (10052850986).

16328383894 is a wasteful number, since it uses less digits than its factorization.

16328383894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9992955.

The product of its digits is 5971968, while the sum is 55.

The spelling of 16328383894 in words is "sixteen billion, three hundred twenty-eight million, three hundred eighty-three thousand, eight hundred ninety-four".