161713326 has 8 divisors (see below), whose sum is σ = 323426664. Its totient is φ = 53904440.

The previous prime is 161713303. The next prime is 161713327. The reversal of 161713326 is 623317161.

161713326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

161713326 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 161713293 and 161713302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161713327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13476105 + ... + 13476116.

It is an arithmetic number, because the mean of its divisors is an integer number (40428333).

Almost surely, 2^161713326 is an apocalyptic number.

161713326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161713326 is a wasteful number, since it uses less digits than its factorization.

161713326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26952226.

The product of its digits is 4536, while the sum is 30.

The square root of 161713326 is about 12716.6554565263. The cubic root of 161713326 is about 544.8144316743.

The spelling of 161713326 in words is "one hundred sixty-one million, seven hundred thirteen thousand, three hundred twenty-six".