206450766 has 24 divisors (see below), whose sum is σ = 447581160. Its totient is φ = 68775216.

The previous prime is 206450753. The next prime is 206450801. The reversal of 206450766 is 667054602.

206450766 is a `hidden beast` number, since 2 + 0 + 645 + 0 + 7 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 206450766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46345 + ... + 50603.

It is an arithmetic number, because the mean of its divisors is an integer number (18649215).

Almost surely, 2^206450766 is an apocalyptic number.

206450766 is an abundant number, since it is smaller than the sum of its proper divisors (241130394).

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

206450766 is a wasteful number, since it uses less digits than its factorization.

206450766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6960 (or 6957 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 206450766 is about 14368.3946911268. The cubic root of 206450766 is about 591.0245207860.

The spelling of 206450766 in words is "two hundred six million, four hundred fifty thousand, seven hundred sixty-six".