206068478 has 16 divisors (see below), whose sum is σ = 385375104. Its totient is φ = 80286360.

The previous prime is 206068469. The next prime is 206068487. The reversal of 206068478 is 874860602.

206068478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (206068469) and next prime (206068487).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668900 + ... + 669207.

It is an arithmetic number, because the mean of its divisors is an integer number (24085944).

Almost surely, 2^206068478 is an apocalyptic number.

206068478 is a deficient number, since it is larger than the sum of its proper divisors (179306626).

206068478 is a wasteful number, since it uses less digits than its factorization.

206068478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338127.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 206068478 is about 14355.0854403588. The cubic root of 206068478 is about 590.6594923745.

The spelling of 206068478 in words is "two hundred six million, sixty-eight thousand, four hundred seventy-eight".