206161814 has 12 divisors (see below), whose sum is σ = 313940844. Its totient is φ = 101537964.

The previous prime is 206161807. The next prime is 206161819. The reversal of 206161814 is 418161602.

206161814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206161819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2504 + ... + 20459.

It is an arithmetic number, because the mean of its divisors is an integer number (26161737).

Almost surely, 2^206161814 is an apocalyptic number.

206161814 is a deficient number, since it is larger than the sum of its proper divisors (107779030).

206161814 is an equidigital number, since it uses as much as digits as its factorization.

206161814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23099 (or 23032 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 206161814 is about 14358.3360456565. The cubic root of 206161814 is about 590.7486560570.

The spelling of 206161814 in words is "two hundred six million, one hundred sixty-one thousand, eight hundred fourteen".