206331660674 has 8 divisors (see below), whose sum is σ = 312974991180. Its totient is φ = 102006663616.

The previous prime is 206331660671. The next prime is 206331660677. The reversal of 206331660674 is 476066133602.

206331660674 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (206331660671) and next prime (206331660677).

It can be written as a sum of positive squares in 2 ways, for example, as 203098942225 + 3232718449 = 450665^2 + 56857^2 .

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

It is not an unprimeable number, because it can be changed into a prime (206331660671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579583139 + ... + 579583494.

Almost surely, 2^206331660674 is an apocalyptic number.

206331660674 is a deficient number, since it is larger than the sum of its proper divisors (106643330506).

206331660674 is a wasteful number, since it uses less digits than its factorization.

206331660674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159166724.

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 206331660674 in words is "two hundred six billion, three hundred thirty-one million, six hundred sixty thousand, six hundred seventy-four".