16839067831 has 4 divisors (see below), whose sum is σ = 16887595752. Its totient is φ = 16790539912.

The previous prime is 16839067771. The next prime is 16839067841. The reversal of 16839067831 is 13876093861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16839067831 - 2¹⁵ = 16839035063 is a prime.

It is a super-2 number, since 2×16839067831² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16839067841) 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 3 ways as a sum of consecutive naturals, for example, 24263440 + ... + 24264133.

It is an arithmetic number, because the mean of its divisors is an integer number (4221898938).

Almost surely, 2^16839067831 is an apocalyptic number.

16839067831 is a deficient number, since it is larger than the sum of its proper divisors (48527921).

16839067831 is an equidigital number, since it uses as much as digits as its factorization.

16839067831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48527920.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 16839067831 in words is "sixteen billion, eight hundred thirty-nine million, sixty-seven thousand, eight hundred thirty-one".