206663063662 has 16 divisors (see below), whose sum is σ = 352879224192. Its totient is φ = 89853505720.

The previous prime is 206663063657. The next prime is 206663063687. The reversal of 206663063662 is 266360366602.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204212008 + ... + 204213019.

It is an arithmetic number, because the mean of its divisors is an integer number (22054951512).

Almost surely, 2^206663063662 is an apocalyptic number.

206663063662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

206663063662 is a deficient number, since it is larger than the sum of its proper divisors (146216160530).

206663063662 is a wasteful number, since it uses less digits than its factorization.

206663063662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408425063.

The product of its (nonzero) digits is 1679616, while the sum is 46.

The spelling of 206663063662 in words is "two hundred six billion, six hundred sixty-three million, sixty-three thousand, six hundred sixty-two".