206664660060 has 48 divisors (see below), whose sum is σ = 586811215872. Its totient is φ = 54334369600.

The previous prime is 206664659939. The next prime is 206664660119. The reversal of 206664660060 is 60066466602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 206664659994 and 206664660021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24252156 + ... + 24260675.

It is an arithmetic number, because the mean of its divisors is an integer number (12225233664).

Almost surely, 2^206664660060 is an apocalyptic number.

206664660060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206664660060 is an abundant number, since it is smaller than the sum of its proper divisors (380146555812).

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

206664660060 is a wasteful number, since it uses less digits than its factorization.

206664660060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48512914 (or 48512912 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 206664660060 in words is "two hundred six billion, six hundred sixty-four million, six hundred sixty thousand, sixty".