161342411 has 8 divisors (see below), whose sum is σ = 164920320. Its totient is φ = 157803048.

The previous prime is 161342387. The next prime is 161342431. The reversal of 161342411 is 114243161.

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

It is a cyclic number.

It is not a de Polignac number, because 161342411 - 2²⁶ = 94233547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161342431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091 + ... + 17996.

It is an arithmetic number, because the mean of its divisors is an integer number (20615040).

Almost surely, 2^161342411 is an apocalyptic number.

161342411 is a deficient number, since it is larger than the sum of its proper divisors (3577909).

161342411 is a wasteful number, since it uses less digits than its factorization.

161342411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19273.

The product of its digits is 576, while the sum is 23.

The square root of 161342411 is about 12702.0632575972. The cubic root of 161342411 is about 544.3975735469.

Adding to 161342411 its reverse (114243161), we get a palindrome (275585572).

The spelling of 161342411 in words is "one hundred sixty-one million, three hundred forty-two thousand, four hundred eleven".