206361424556 has 36 divisors (see below), whose sum is σ = 420122590776. Its totient is φ = 88434360000.

The previous prime is 206361424513. The next prime is 206361424567. The reversal of 206361424556 is 655424163602.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3696491 + ... + 3751901.

It is an arithmetic number, because the mean of its divisors is an integer number (11670071966).

Almost surely, 2^206361424556 is an apocalyptic number.

It is an amenable number.

206361424556 is an abundant number, since it is smaller than the sum of its proper divisors (213761166220).

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

206361424556 is a wasteful number, since it uses less digits than its factorization.

206361424556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74430 (or 74421 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 206361424556 in words is "two hundred six billion, three hundred sixty-one million, four hundred twenty-four thousand, five hundred fifty-six".