206641237552 has 20 divisors (see below), whose sum is σ = 421439366680. Its totient is φ = 97882691328.

The previous prime is 206641237541. The next prime is 206641237553. The reversal of 206641237552 is 255732146602.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 206641237499 and 206641237508.

It is not an unprimeable number, because it can be changed into a prime (206641237553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339870153 + ... + 339870760.

It is an arithmetic number, because the mean of its divisors is an integer number (21071968334).

Almost surely, 2^206641237552 is an apocalyptic number.

It is an amenable number.

206641237552 is an abundant number, since it is smaller than the sum of its proper divisors (214798129128).

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

206641237552 is a wasteful number, since it uses less digits than its factorization.

206641237552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679740940 (or 679740934 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 206641237552 in words is "two hundred six billion, six hundred forty-one million, two hundred thirty-seven thousand, five hundred fifty-two".