161096259 has 8 divisors (see below), whose sum is σ = 215084032. Its totient is φ = 107253000.

The previous prime is 161096251. The next prime is 161096279. The reversal of 161096259 is 952690161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161096259 - 2³ = 161096251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161096251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33499 + ... + 38004.

It is an arithmetic number, because the mean of its divisors is an integer number (26885504).

Almost surely, 2^161096259 is an apocalyptic number.

161096259 is a deficient number, since it is larger than the sum of its proper divisors (53987773).

161096259 is an equidigital number, since it uses as much as digits as its factorization.

161096259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72257.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 161096259 is about 12692.3701096367. The cubic root of 161096259 is about 544.1205793032.

The spelling of 161096259 in words is "one hundred sixty-one million, ninety-six thousand, two hundred fifty-nine".