206155353 has 8 divisors (see below), whose sum is σ = 274989600. Its totient is φ = 137379008.

The previous prime is 206155349. The next prime is 206155393. The reversal of 206155353 is 353551602.

206155353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 206155353 - 2² = 206155349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206155353.

It is not an unprimeable number, because it can be changed into a prime (206155343) 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, 5343 + ... + 20996.

It is an arithmetic number, because the mean of its divisors is an integer number (34373700).

Almost surely, 2^206155353 is an apocalyptic number.

It is an amenable number.

206155353 is a deficient number, since it is larger than the sum of its proper divisors (68834247).

206155353 is a wasteful number, since it uses less digits than its factorization.

206155353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28951.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 206155353 is about 14358.1110526420. Note that the first 3 decimals coincide. The cubic root of 206155353 is about 590.7424847445.

The spelling of 206155353 in words is "two hundred six million, one hundred fifty-five thousand, three hundred fifty-three".