161334675413 has 2 divisors, whose sum is σ = 161334675414. Its totient is φ = 161334675412.

The previous prime is 161334675389. The next prime is 161334675427. The reversal of 161334675413 is 314576433161.

It is a happy number.

161334675413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142429250404 + 18905425009 = 377398^2 + 137497^2 .

It is a cyclic number.

It is not a de Polignac number, because 161334675413 - 2¹² = 161334671317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161334675113) 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 as a sum of consecutive naturals, namely, 80667337706 + 80667337707.

It is an arithmetic number, because the mean of its divisors is an integer number (80667337707).

Almost surely, 2^161334675413 is an apocalyptic number.

It is an amenable number.

161334675413 is a deficient number, since it is larger than the sum of its proper divisors (1).

161334675413 is an equidigital number, since it uses as much as digits as its factorization.

161334675413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 44.

The spelling of 161334675413 in words is "one hundred sixty-one billion, three hundred thirty-four million, six hundred seventy-five thousand, four hundred thirteen".