16389833876 has 12 divisors (see below), whose sum is σ = 30888533172. Its totient is φ = 7564538688.

The previous prime is 16389833857. The next prime is 16389833921. The reversal of 16389833876 is 67833898361.

It can be written as a sum of positive squares in 2 ways, for example, as 2100022276 + 14289811600 = 45826^2 + 119540^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157594505 + ... + 157594608.

It is an arithmetic number, because the mean of its divisors is an integer number (2574044431).

Almost surely, 2^16389833876 is an apocalyptic number.

It is an amenable number.

16389833876 is a deficient number, since it is larger than the sum of its proper divisors (14498699296).

16389833876 is a wasteful number, since it uses less digits than its factorization.

16389833876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315189130 (or 315189128 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 62.

The spelling of 16389833876 in words is "sixteen billion, three hundred eighty-nine million, eight hundred thirty-three thousand, eight hundred seventy-six".