206756056 has 32 divisors (see below), whose sum is σ = 418703040. Its totient is φ = 95148288.

The previous prime is 206756029. The next prime is 206756059. The reversal of 206756056 is 650657602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206756059) by changing a digit.

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, 35460 + ... + 40876.

It is an arithmetic number, because the mean of its divisors is an integer number (13084470).

Almost surely, 2^206756056 is an apocalyptic number.

206756056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

206756056 is an abundant number, since it is smaller than the sum of its proper divisors (211946984).

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

206756056 is a wasteful number, since it uses less digits than its factorization.

206756056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5803 (or 5799 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 206756056 is about 14379.0144307598. The cubic root of 206756056 is about 591.3157040275.

The spelling of 206756056 in words is "two hundred six million, seven hundred fifty-six thousand, fifty-six".