206233230311165 has 32 divisors (see below), whose sum is σ = 257163588633600. Its totient is φ = 158582292099840.

The previous prime is 206233230311131. The next prime is 206233230311257. The reversal of 206233230311165 is 561113032332602.

It is not a de Polignac number, because 206233230311165 - 2²⁰ = 206233229262589 is a prime.

It is a super-2 number, since 2×206233230311165² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112446839 + ... + 114266171.

It is an arithmetic number, because the mean of its divisors is an integer number (8036362144800).

Almost surely, 2^{206233230311165} is an apocalyptic number.

It is an amenable number.

206233230311165 is a deficient number, since it is larger than the sum of its proper divisors (50930358322435).

206233230311165 is a wasteful number, since it uses less digits than its factorization.

206233230311165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822877.

The product of its (nonzero) digits is 116640, while the sum is 38.

Adding to 206233230311165 its reverse (561113032332602), we get a palindrome (767346262643767).

The spelling of 206233230311165 in words is "two hundred six trillion, two hundred thirty-three billion, two hundred thirty million, three hundred eleven thousand, one hundred sixty-five".