206018045653 has 8 divisors (see below), whose sum is σ = 235596271680. Its totient is φ = 176476588800.

The previous prime is 206018045599. The next prime is 206018045683. The reversal of 206018045653 is 356540810602.

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

It is a cyclic number.

It is not a de Polignac number, because 206018045653 - 2³³ = 197428111061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206018045683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9180283 + ... + 9202696.

It is an arithmetic number, because the mean of its divisors is an integer number (29449533960).

Almost surely, 2^206018045653 is an apocalyptic number.

It is an amenable number.

206018045653 is a deficient number, since it is larger than the sum of its proper divisors (29578226027).

206018045653 is a wasteful number, since it uses less digits than its factorization.

206018045653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18384587.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 206018045653 in words is "two hundred six billion, eighteen million, forty-five thousand, six hundred fifty-three".