16591269838 has 32 divisors (see below), whose sum is σ = 29950899552. Its totient is φ = 6791577600.

The previous prime is 16591269823. The next prime is 16591269839. The reversal of 16591269838 is 83896219561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16591269839) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 695731 + ... + 719182.

It is an arithmetic number, because the mean of its divisors is an integer number (935965611).

Almost surely, 2^16591269838 is an apocalyptic number.

16591269838 is a deficient number, since it is larger than the sum of its proper divisors (13359629714).

16591269838 is a wasteful number, since it uses less digits than its factorization.

16591269838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414980.

The product of its digits is 5598720, while the sum is 58.

The spelling of 16591269838 in words is "sixteen billion, five hundred ninety-one million, two hundred sixty-nine thousand, eight hundred thirty-eight".