16091392338 has 48 divisors (see below), whose sum is σ = 41596803360. Its totient is φ = 4597539912.

The previous prime is 16091392333. The next prime is 16091392349. The reversal of 16091392338 is 83329319061.

16091392338 is a `hidden beast` number, since 1 + 609 + 1 + 3 + 9 + 2 + 3 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16091392293 and 16091392302.

It is not an unprimeable number, because it can be changed into a prime (16091392333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3038056 + ... + 3043347.

It is an arithmetic number, because the mean of its divisors is an integer number (866600070).

Almost surely, 2^16091392338 is an apocalyptic number.

16091392338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16091392338 is an abundant number, since it is smaller than the sum of its proper divisors (25505411022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16091392338 is a wasteful number, since it uses less digits than its factorization.

16091392338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6081428 (or 6081415 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 16091392338 in words is "sixteen billion, ninety-one million, three hundred ninety-two thousand, three hundred thirty-eight".