206611866034 has 16 divisors (see below), whose sum is σ = 354254716800. Its totient is φ = 88532205984.

The previous prime is 206611866029. The next prime is 206611866059. The reversal of 206611866034 is 430668116602.

It is a happy 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, 1229619 + ... + 1387510.

It is an arithmetic number, because the mean of its divisors is an integer number (22140919800).

Almost surely, 2^206611866034 is an apocalyptic number.

206611866034 is a deficient number, since it is larger than the sum of its proper divisors (147642850766).

206611866034 is a wasteful number, since it uses less digits than its factorization.

206611866034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622777.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 206611866034 in words is "two hundred six billion, six hundred eleven million, eight hundred sixty-six thousand, thirty-four".