206522101061956 has 12 divisors (see below), whose sum is σ = 361691047302592. Its totient is φ = 103181801832648.

The previous prime is 206522101061921. The next prime is 206522101061963. The reversal of 206522101061956 is 659160101225602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19812168720 + ... + 19812179143.

Almost surely, 2^{206522101061956} is an apocalyptic number.

It is an amenable number.

206522101061956 is a deficient number, since it is larger than the sum of its proper divisors (155168946240636).

206522101061956 is a wasteful number, since it uses less digits than its factorization.

206522101061956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39624349170 (or 39624349168 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 206522101061956 in words is "two hundred six trillion, five hundred twenty-two billion, one hundred one million, sixty-one thousand, nine hundred fifty-six".