16196091838 has 16 divisors (see below), whose sum is σ = 25728773760. Its totient is φ = 7630344216.

The previous prime is 16196091827. The next prime is 16196091841. The reversal of 16196091838 is 83819069161.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2624448 + ... + 2630611.

It is an arithmetic number, because the mean of its divisors is an integer number (1608048360).

Almost surely, 2^16196091838 is an apocalyptic number.

16196091838 is a deficient number, since it is larger than the sum of its proper divisors (9532681922).

16196091838 is a wasteful number, since it uses less digits than its factorization.

16196091838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255151.

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 16196091838 in words is "sixteen billion, one hundred ninety-six million, ninety-one thousand, eight hundred thirty-eight".