206316401161 has 16 divisors (see below), whose sum is σ = 227758003200. Its totient is φ = 185700806208.

The previous prime is 206316401119. The next prime is 206316401171. The reversal of 206316401161 is 161104613602.

It is a cyclic number.

It is not a de Polignac number, because 206316401161 - 2¹⁵ = 206316368393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206316401171) 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, 463281 + ... + 791998.

It is an arithmetic number, because the mean of its divisors is an integer number (14234875200).

Almost surely, 2^206316401161 is an apocalyptic number.

It is an amenable number.

206316401161 is a deficient number, since it is larger than the sum of its proper divisors (21441602039).

206316401161 is a wasteful number, since it uses less digits than its factorization.

206316401161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255608.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 206316401161 in words is "two hundred six billion, three hundred sixteen million, four hundred one thousand, one hundred sixty-one".