3161720047159 has 4 divisors (see below), whose sum is σ = 3161915944600. Its totient is φ = 3161524149720.

The previous prime is 3161720047097. The next prime is 3161720047219. The reversal of 3161720047159 is 9517400271613.

3161720047159 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3161720047159 - 2¹⁵ = 3161720014391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161720044159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97924509 + ... + 97956790.

It is an arithmetic number, because the mean of its divisors is an integer number (790478986150).

Almost surely, 2^{3161720047159} is an apocalyptic number.

3161720047159 is a deficient number, since it is larger than the sum of its proper divisors (195897441).

3161720047159 is a wasteful number, since it uses less digits than its factorization.

3161720047159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195897440.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 3161720047159 in words is "three trillion, one hundred sixty-one billion, seven hundred twenty million, forty-seven thousand, one hundred fifty-nine".