206056406 has 16 divisors (see below), whose sum is σ = 333290160. Its totient is φ = 95224320.

The previous prime is 206056393. The next prime is 206056429. The reversal of 206056406 is 604650602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64571 + ... + 67686.

It is an arithmetic number, because the mean of its divisors is an integer number (20830635).

Almost surely, 2^206056406 is an apocalyptic number.

206056406 is a deficient number, since it is larger than the sum of its proper divisors (127233754).

206056406 is a wasteful number, since it uses less digits than its factorization.

206056406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132319.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 206056406 is about 14354.6649560343. The cubic root of 206056406 is about 590.6479580524.

The spelling of 206056406 in words is "two hundred six million, fifty-six thousand, four hundred six".