206443960801632 has 144 divisors (see below), whose sum is σ = 636064857988560. Its totient is φ = 63260529647616.

The previous prime is 206443960801613. The next prime is 206443960801669. The reversal of 206443960801632 is 236108069344602.

206443960801632 is a `hidden beast` number, since 2 + 0 + 6 + 443 + 9 + 60 + 80 + 1 + 63 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×206443960801632³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490089957 + ... + 490511012.

It is an arithmetic number, because the mean of its divisors is an integer number (4417117069365).

Almost surely, 2^{206443960801632} is an apocalyptic number.

It is an amenable number.

206443960801632 is an abundant number, since it is smaller than the sum of its proper divisors (429620897186928).

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

206443960801632 is a wasteful number, since it uses less digits than its factorization.

206443960801632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980601045 (or 980601034 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 54.

The spelling of 206443960801632 in words is "two hundred six trillion, four hundred forty-three billion, nine hundred sixty million, eight hundred one thousand, six hundred thirty-two".