206807054 has 16 divisors (see below), whose sum is σ = 314316288. Its totient is φ = 102043872.

The previous prime is 206807047. The next prime is 206807071. The reversal of 206807054 is 450708602.

It is a self number, because there is not a number n which added to its sum of digits gives 206807054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47972 + ... + 52104.

It is an arithmetic number, because the mean of its divisors is an integer number (19644768).

Almost surely, 2^206807054 is an apocalyptic number.

206807054 is a deficient number, since it is larger than the sum of its proper divisors (107509234).

206807054 is a wasteful number, since it uses less digits than its factorization.

206807054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 206807054 is about 14380.7876696654. The cubic root of 206807054 is about 591.3643175802.

The spelling of 206807054 in words is "two hundred six million, eight hundred seven thousand, fifty-four".