206367140605 has 16 divisors (see below), whose sum is σ = 264272302080. Its totient is φ = 154158826752.

The previous prime is 206367140519. The next prime is 206367140621. The reversal of 206367140605 is 506041763602.

It is a cyclic number.

It is not a de Polignac number, because 206367140605 - 2¹¹ = 206367138557 is a prime.

It is a congruent number.

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, 9547665 + ... + 9569254.

It is an arithmetic number, because the mean of its divisors is an integer number (16517018880).

Almost surely, 2^206367140605 is an apocalyptic number.

It is an amenable number.

206367140605 is a deficient number, since it is larger than the sum of its proper divisors (57905161475).

206367140605 is a wasteful number, since it uses less digits than its factorization.

206367140605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19117068.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 206367140605 in words is "two hundred six billion, three hundred sixty-seven million, one hundred forty thousand, six hundred five".