206068278 has 16 divisors (see below), whose sum is σ = 443839536. Its totient is φ = 63405600.

The previous prime is 206068273. The next prime is 206068283. The reversal of 206068278 is 872860602.

It is an interprime number because it is at equal distance from previous prime (206068273) and next prime (206068283).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206068273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320873 + ... + 1321028.

It is an arithmetic number, because the mean of its divisors is an integer number (27739971).

Almost surely, 2^206068278 is an apocalyptic number.

206068278 is an abundant number, since it is smaller than the sum of its proper divisors (237771258).

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

206068278 is a wasteful number, since it uses less digits than its factorization.

206068278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641919.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 206068278 is about 14355.0784741847. The cubic root of 206068278 is about 590.6593012861.

The spelling of 206068278 in words is "two hundred six million, sixty-eight thousand, two hundred seventy-eight".