161141413 has 4 divisors (see below), whose sum is σ = 169622560. Its totient is φ = 152660268.

The previous prime is 161141411. The next prime is 161141423. The reversal of 161141413 is 314141161.

It is a happy number.

161141413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 314141161 = 109 ⋅2882029.

It is a cyclic number.

It is not a de Polignac number, because 161141413 - 2¹ = 161141411 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 (161141411) 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, 4240545 + ... + 4240582.

It is an arithmetic number, because the mean of its divisors is an integer number (42405640).

Almost surely, 2^161141413 is an apocalyptic number.

It is an amenable number.

161141413 is a deficient number, since it is larger than the sum of its proper divisors (8481147).

161141413 is an equidigital number, since it uses as much as digits as its factorization.

161141413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8481146.

The product of its digits is 288, while the sum is 22.

The square root of 161141413 is about 12694.1487702012. The cubic root of 161141413 is about 544.1714121109.

Adding to 161141413 its reverse (314141161), we get a palindrome (475282574).

The spelling of 161141413 in words is "one hundred sixty-one million, one hundred forty-one thousand, four hundred thirteen".