161430411 has 8 divisors (see below), whose sum is σ = 216356560. Its totient is φ = 107062272.

The previous prime is 161430391. The next prime is 161430413. The reversal of 161430411 is 114034161.

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

It is not a de Polignac number, because 161430411 - 2⁹ = 161429899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161430413) 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, 138826 + ... + 139983.

It is an arithmetic number, because the mean of its divisors is an integer number (27044570).

Almost surely, 2^161430411 is an apocalyptic number.

161430411 is a deficient number, since it is larger than the sum of its proper divisors (54926149).

161430411 is a wasteful number, since it uses less digits than its factorization.

161430411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279005.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 161430411 is about 12705.5267895511. The cubic root of 161430411 is about 544.4965313657.

Adding to 161430411 its reverse (114034161), we get a palindrome (275464572).

The spelling of 161430411 in words is "one hundred sixty-one million, four hundred thirty thousand, four hundred eleven".