206896757730 has 96 divisors (see below), whose sum is σ = 547832465856. Its totient is φ = 49967453952.

The previous prime is 206896757663. The next prime is 206896757777. The reversal of 206896757730 is 37757698602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116272 + ... + 653691.

It is an arithmetic number, because the mean of its divisors is an integer number (5706588186).

Almost surely, 2^206896757730 is an apocalyptic number.

206896757730 is an abundant number, since it is smaller than the sum of its proper divisors (340935708126).

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

206896757730 is a wasteful number, since it uses less digits than its factorization.

206896757730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770052 (or 770039 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 60.

The spelling of 206896757730 in words is "two hundred six billion, eight hundred ninety-six million, seven hundred fifty-seven thousand, seven hundred thirty".