206554791769888 has 48 divisors (see below), whose sum is σ = 413518238622720. Its totient is φ = 101548752364800.

The previous prime is 206554791769873. The next prime is 206554791769927. The reversal of 206554791769888 is 888967197455602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225568608 + ... + 226482463.

It is an arithmetic number, because the mean of its divisors is an integer number (8614963304640).

Almost surely, 2^{206554791769888} is an apocalyptic number.

It is an amenable number.

206554791769888 is an abundant number, since it is smaller than the sum of its proper divisors (206963446852832).

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

206554791769888 is a wasteful number, since it uses less digits than its factorization.

206554791769888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452051321 (or 452051313 counting only the distinct ones).

The product of its (nonzero) digits is 14631321600, while the sum is 85.

The spelling of 206554791769888 in words is "two hundred six trillion, five hundred fifty-four billion, seven hundred ninety-one million, seven hundred sixty-nine thousand, eight hundred eighty-eight".