206756945954 has 8 divisors (see below), whose sum is σ = 333991989660. Its totient is φ = 95426282736.

The previous prime is 206756945953. The next prime is 206756946001. The reversal of 206756945954 is 459549657602.

It can be written as a sum of positive squares in 2 ways, for example, as 198891916729 + 7865029225 = 445973^2 + 88685^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (206756945953) 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 3 ways as a sum of consecutive naturals, for example, 3976095089 + ... + 3976095140.

Almost surely, 2^206756945954 is an apocalyptic number.

206756945954 is a deficient number, since it is larger than the sum of its proper divisors (127235043706).

206756945954 is a wasteful number, since it uses less digits than its factorization.

206756945954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7952190244.

The product of its (nonzero) digits is 81648000, while the sum is 62.

The spelling of 206756945954 in words is "two hundred six billion, seven hundred fifty-six million, nine hundred forty-five thousand, nine hundred fifty-four".