206898655536 has 40 divisors (see below), whose sum is σ = 593875771760. Its totient is φ = 68966218368.

The previous prime is 206898655531. The next prime is 206898655543. The reversal of 206898655536 is 635556898602.

206898655536 is a `hidden beast` number, since 2 + 0 + 6 + 8 + 98 + 6 + 5 + 5 + 536 = 666.

It is not an unprimeable number, because it can be changed into a prime (206898655531) 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, 239465605 + ... + 239466468.

It is an arithmetic number, because the mean of its divisors is an integer number (14846894294).

Almost surely, 2^206898655536 is an apocalyptic number.

It is an amenable number.

206898655536 is an abundant number, since it is smaller than the sum of its proper divisors (386977116224).

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

206898655536 is a wasteful number, since it uses less digits than its factorization.

206898655536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478932090 (or 478932078 counting only the distinct ones).

The product of its (nonzero) digits is 93312000, while the sum is 63.

The spelling of 206898655536 in words is "two hundred six billion, eight hundred ninety-eight million, six hundred fifty-five thousand, five hundred thirty-six".