206931067 has 6 divisors (see below), whose sum is σ = 240715788. Its totient is φ = 177369444.

The previous prime is 206931019. The next prime is 206931073. The reversal of 206931067 is 760139602.

206931067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206931067 - 2¹⁵ = 206898299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206931077) 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, 2111493 + ... + 2111590.

It is an arithmetic number, because the mean of its divisors is an integer number (40119298).

Almost surely, 2^206931067 is an apocalyptic number.

206931067 is a deficient number, since it is larger than the sum of its proper divisors (33784721).

206931067 is an equidigital number, since it uses as much as digits as its factorization.

206931067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223097 (or 4223090 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 206931067 is about 14385.0987831158. The cubic root of 206931067 is about 591.4824989278.

The spelling of 206931067 in words is "two hundred six million, nine hundred thirty-one thousand, sixty-seven".