161320580893151 has 2 divisors, whose sum is σ = 161320580893152. Its totient is φ = 161320580893150.

The previous prime is 161320580893141. The next prime is 161320580893163. The reversal of 161320580893151 is 151398085023161.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161320580893151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161320580893093 and 161320580893102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161320580893141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80660290446575 + 80660290446576.

It is an arithmetic number, because the mean of its divisors is an integer number (80660290446576).

Almost surely, 2^{161320580893151} is an apocalyptic number.

161320580893151 is a deficient number, since it is larger than the sum of its proper divisors (1).

161320580893151 is an equidigital number, since it uses as much as digits as its factorization.

161320580893151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 53.

The spelling of 161320580893151 in words is "one hundred sixty-one trillion, three hundred twenty billion, five hundred eighty million, eight hundred ninety-three thousand, one hundred fifty-one".