206149529266 has 32 divisors (see below), whose sum is σ = 328628627712. Its totient is φ = 96651936000.

The previous prime is 206149529239. The next prime is 206149529281. The reversal of 206149529266 is 662925941602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43388391 + ... + 43393141.

It is an arithmetic number, because the mean of its divisors is an integer number (10269644616).

Almost surely, 2^206149529266 is an apocalyptic number.

206149529266 is a deficient number, since it is larger than the sum of its proper divisors (122479098446).

206149529266 is a wasteful number, since it uses less digits than its factorization.

206149529266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9234.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 206149529266 in words is "two hundred six billion, one hundred forty-nine million, five hundred twenty-nine thousand, two hundred sixty-six".