206250545305066 has 8 divisors (see below), whose sum is σ = 309392311899780. Its totient is φ = 103119774671808.

The previous prime is 206250545305009. The next prime is 206250545305067. The reversal of 206250545305066 is 660503545052602.

It can be written as a sum of positive squares in 2 ways, for example, as 206248804663225 + 1740641841 = 14361365^2 + 41721^2 .

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 (206250545305067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2748943471 + ... + 2749018498.

Almost surely, 2^{206250545305066} is an apocalyptic number.

206250545305066 is a deficient number, since it is larger than the sum of its proper divisors (103141766594714).

206250545305066 is a wasteful number, since it uses less digits than its factorization.

206250545305066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497980728.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 206250545305066 in words is "two hundred six trillion, two hundred fifty billion, five hundred forty-five million, three hundred five thousand, sixty-six".