206023164 has 12 divisors (see below), whose sum is σ = 480720744. Its totient is φ = 68674384.

The previous prime is 206023123. The next prime is 206023171. The reversal of 206023164 is 461320602.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8584287 + ... + 8584310.

It is an arithmetic number, because the mean of its divisors is an integer number (40060062).

Almost surely, 2^206023164 is an apocalyptic number.

It is an amenable number.

206023164 is an abundant number, since it is smaller than the sum of its proper divisors (274697580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206023164 is a wasteful number, since it uses less digits than its factorization.

206023164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17168604 (or 17168602 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 206023164 is about 14353.5070279009. The cubic root of 206023164 is about 590.6161942978.

Adding to 206023164 its reverse (461320602), we get a palindrome (667343766).

The spelling of 206023164 in words is "two hundred six million, twenty-three thousand, one hundred sixty-four".