206335655653 has 8 divisors (see below), whose sum is σ = 218907396288. Its totient is φ = 193812176064.

The previous prime is 206335655629. The next prime is 206335655693. The reversal of 206335655653 is 356556533602.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206335655653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206335655597 and 206335655606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206335655693) 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, 12056451 + ... + 12073552.

It is an arithmetic number, because the mean of its divisors is an integer number (27363424536).

Almost surely, 2^206335655653 is an apocalyptic number.

It is an amenable number.

206335655653 is a deficient number, since it is larger than the sum of its proper divisors (12571740635).

206335655653 is a wasteful number, since it uses less digits than its factorization.

206335655653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24130523.

The product of its (nonzero) digits is 7290000, while the sum is 49.

The spelling of 206335655653 in words is "two hundred six billion, three hundred thirty-five million, six hundred fifty-five thousand, six hundred fifty-three".