206290976745904 has 40 divisors (see below), whose sum is σ = 403374802471920. Its totient is φ = 102194927966208.

The previous prime is 206290976745869. The next prime is 206290976745907. The reversal of 206290976745904 is 409547679092602.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (206290976745907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16180549 + ... + 25969060.

It is an arithmetic number, because the mean of its divisors is an integer number (10084370061798).

Almost surely, 2^{206290976745904} is an apocalyptic number.

It is an amenable number.

206290976745904 is a deficient number, since it is larger than the sum of its proper divisors (197083825726016).

206290976745904 is a wasteful number, since it uses less digits than its factorization.

206290976745904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42152437 (or 42152431 counting only the distinct ones).

The product of its (nonzero) digits is 411505920, while the sum is 70.

The spelling of 206290976745904 in words is "two hundred six trillion, two hundred ninety billion, nine hundred seventy-six million, seven hundred forty-five thousand, nine hundred four".