206417056 has 24 divisors (see below), whose sum is σ = 407097684. Its totient is φ = 103027200.

The previous prime is 206417053. The next prime is 206417069. The reversal of 206417056 is 650714602.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 205635600 + 781456 = 14340^2 + 884^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (206417053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13866 + ... + 24598.

Almost surely, 2^206417056 is an apocalyptic number.

It is an amenable number.

206417056 is a deficient number, since it is larger than the sum of its proper divisors (200680628).

206417056 is a wasteful number, since it uses less digits than its factorization.

206417056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11344 (or 11336 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 206417056 is about 14367.2215824772. The cubic root of 206417056 is about 590.9923508543.

The spelling of 206417056 in words is "two hundred six million, four hundred seventeen thousand, fifty-six".