617584161 has 8 divisors (see below), whose sum is σ = 834725920. Its totient is φ = 406082592.

The previous prime is 617584117. The next prime is 617584169. The reversal of 617584161 is 161485716.

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

It is not a de Polignac number, because 617584161 - 2¹⁵ = 617551393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (617584169) 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, 1409791 + ... + 1410228.

It is an arithmetic number, because the mean of its divisors is an integer number (104340740).

Almost surely, 2^617584161 is an apocalyptic number.

It is an amenable number.

617584161 is a deficient number, since it is larger than the sum of its proper divisors (217141759).

617584161 is a wasteful number, since it uses less digits than its factorization.

617584161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820095.

The product of its digits is 40320, while the sum is 39.

The square root of 617584161 is about 24851.2406330147. The cubic root of 617584161 is about 851.5929349396.

The spelling of 617584161 in words is "six hundred seventeen million, five hundred eighty-four thousand, one hundred sixty-one".