161300159 has 4 divisors (see below), whose sum is σ = 164034120. Its totient is φ = 158566200.

The previous prime is 161300149. The next prime is 161300179. The reversal of 161300159 is 951003161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951003161 = 17491 ⋅54371.

It is a cyclic number.

It is not a de Polignac number, because 161300159 - 2⁸ = 161299903 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 (161300119) 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, 1366892 + ... + 1367009.

It is an arithmetic number, because the mean of its divisors is an integer number (41008530).

Almost surely, 2^161300159 is an apocalyptic number.

161300159 is a deficient number, since it is larger than the sum of its proper divisors (2733961).

161300159 is an equidigital number, since it uses as much as digits as its factorization.

161300159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733960.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 161300159 is about 12700.3999543321. The cubic root of 161300159 is about 544.3500475135.

The spelling of 161300159 in words is "one hundred sixty-one million, three hundred thousand, one hundred fifty-nine".