161336359 has 2 divisors, whose sum is σ = 161336360. Its totient is φ = 161336358.

The previous prime is 161336339. The next prime is 161336377. The reversal of 161336359 is 953633161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161336359 - 2¹⁵ = 161303591 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161336339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80668179 + 80668180.

It is an arithmetic number, because the mean of its divisors is an integer number (80668180).

Almost surely, 2^161336359 is an apocalyptic number.

161336359 is a deficient number, since it is larger than the sum of its proper divisors (1).

161336359 is an equidigital number, since it uses as much as digits as its factorization.

161336359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 37.

The square root of 161336359 is about 12701.8250263496. The cubic root of 161336359 is about 544.3907666255.

The spelling of 161336359 in words is "one hundred sixty-one million, three hundred thirty-six thousand, three hundred fifty-nine".