206013255986 has 8 divisors (see below), whose sum is σ = 312931528320. Its totient is φ = 101702746548.

The previous prime is 206013255971. The next prime is 206013256003. The reversal of 206013255986 is 689552310602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 206013255986.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651940526 + ... + 651940841.

It is an arithmetic number, because the mean of its divisors is an integer number (39116441040).

Almost surely, 2^206013255986 is an apocalyptic number.

206013255986 is a deficient number, since it is larger than the sum of its proper divisors (106918272334).

206013255986 is a wasteful number, since it uses less digits than its factorization.

206013255986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303881448.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 206013255986 in words is "two hundred six billion, thirteen million, two hundred fifty-five thousand, nine hundred eighty-six".