161096213 has 4 divisors (see below), whose sum is σ = 164523840. Its totient is φ = 157668588.

The previous prime is 161096171. The next prime is 161096219. The reversal of 161096213 is 312690161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312690161 = 7 ⋅44670023.

It is a cyclic number.

It is not a de Polignac number, because 161096213 - 2⁶ = 161096149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161096219) 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 3 ways as a sum of consecutive naturals, for example, 1713743 + ... + 1713836.

It is an arithmetic number, because the mean of its divisors is an integer number (41130960).

Almost surely, 2^161096213 is an apocalyptic number.

It is an amenable number.

161096213 is a deficient number, since it is larger than the sum of its proper divisors (3427627).

161096213 is an equidigital number, since it uses as much as digits as its factorization.

161096213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427626.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 161096213 is about 12692.3682975243. The cubic root of 161096213 is about 544.1205275131.

It can be divided in two parts, 16109 and 6213, that added together give a palindrome (22322).

The spelling of 161096213 in words is "one hundred sixty-one million, ninety-six thousand, two hundred thirteen".