206630612625630 has 16 divisors (see below), whose sum is σ = 495913470301584. Its totient is φ = 55101496700160.

The previous prime is 206630612625611. The next prime is 206630612625667. The reversal of 206630612625630 is 36526216036602.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 206630612625630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3443843543731 + ... + 3443843543790.

It is an arithmetic number, because the mean of its divisors is an integer number (30994591893849).

Almost surely, 2^{206630612625630} is an apocalyptic number.

206630612625630 is an abundant number, since it is smaller than the sum of its proper divisors (289282857675954).

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

206630612625630 is a wasteful number, since it uses less digits than its factorization.

206630612625630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887687087531.

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 206630612625630 in words is "two hundred six trillion, six hundred thirty billion, six hundred twelve million, six hundred twenty-five thousand, six hundred thirty".