409597161 has 8 divisors (see below), whose sum is σ = 547535040. Its totient is φ = 272362032.

The previous prime is 409597159. The next prime is 409597169. The reversal of 409597161 is 161795904.

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

It is not a de Polignac number, because 409597161 - 2¹ = 409597159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (409597169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174325 + ... + 176658.

It is an arithmetic number, because the mean of its divisors is an integer number (68441880).

Almost surely, 2^409597161 is an apocalyptic number.

It is an amenable number.

409597161 is a deficient number, since it is larger than the sum of its proper divisors (137937879).

409597161 is a wasteful number, since it uses less digits than its factorization.

409597161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351375.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 409597161 is about 20238.5068866258. The cubic root of 409597161 is about 742.6524975576.

The spelling of 409597161 in words is "four hundred nine million, five hundred ninety-seven thousand, one hundred sixty-one".