214558161 has 16 divisors (see below), whose sum is σ = 300318720. Its totient is φ = 136074960.

The previous prime is 214558147. The next prime is 214558163. The reversal of 214558161 is 161855412.

It is not a de Polignac number, because 214558161 - 2⁵ = 214558129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214558163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14065 + ... + 25038.

It is an arithmetic number, because the mean of its divisors is an integer number (18769920).

Almost surely, 2^214558161 is an apocalyptic number.

It is an amenable number.

214558161 is a deficient number, since it is larger than the sum of its proper divisors (85760559).

214558161 is a wasteful number, since it uses less digits than its factorization.

214558161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39196.

The product of its digits is 9600, while the sum is 33.

The square root of 214558161 is about 14647.8039651000. The cubic root of 214558161 is about 598.6619822879.

It can be divided in two parts, 2145 and 58161, that added together give a palindrome (60306).

The spelling of 214558161 in words is "two hundred fourteen million, five hundred fifty-eight thousand, one hundred sixty-one".