3161603049791 has 2 divisors, whose sum is σ = 3161603049792. Its totient is φ = 3161603049790.

The previous prime is 3161603049767. The next prime is 3161603049799. The reversal of 3161603049791 is 1979403061613.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3161603049791 - 2¹⁰ = 3161603048767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3161603049799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580801524895 + 1580801524896.

It is an arithmetic number, because the mean of its divisors is an integer number (1580801524896).

Almost surely, 2^{3161603049791} is an apocalyptic number.

3161603049791 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161603049791 is an equidigital number, since it uses as much as digits as its factorization.

3161603049791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 3161603049791 in words is "three trillion, one hundred sixty-one billion, six hundred three million, forty-nine thousand, seven hundred ninety-one".