205360161 has 8 divisors (see below), whose sum is σ = 274010880. Its totient is φ = 136808112.

The previous prime is 205360157. The next prime is 205360163. The reversal of 205360161 is 161063502.

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

It is not a de Polignac number, because 205360161 - 2² = 205360157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205360163) 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, 19665 + ... + 28238.

It is an arithmetic number, because the mean of its divisors is an integer number (34251360).

Almost surely, 2^205360161 is an apocalyptic number.

It is an amenable number.

205360161 is a deficient number, since it is larger than the sum of its proper divisors (68650719).

205360161 is a wasteful number, since it uses less digits than its factorization.

205360161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49335.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 205360161 is about 14330.3929115708. The cubic root of 205360161 is about 589.9819596131.

The spelling of 205360161 in words is "two hundred five million, three hundred sixty thousand, one hundred sixty-one".