206611361630 has 16 divisors (see below), whose sum is σ = 371910855024. Its totient is φ = 82642232640.

The previous prime is 206611361549. The next prime is 206611361659. The reversal of 206611361630 is 36163116602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112949 + ... + 652671.

It is an arithmetic number, because the mean of its divisors is an integer number (23244428439).

Almost surely, 2^206611361630 is an apocalyptic number.

206611361630 is a deficient number, since it is larger than the sum of its proper divisors (165299493394).

206611361630 is a wasteful number, since it uses less digits than its factorization.

206611361630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578011.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 206611361630 in words is "two hundred six billion, six hundred eleven million, three hundred sixty-one thousand, six hundred thirty".