206353641 has 16 divisors (see below), whose sum is σ = 302609664. Its totient is φ = 124283904.

The previous prime is 206353627. The next prime is 206353649. The reversal of 206353641 is 146353602.

206353641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206353641 - 2⁷ = 206353513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206353599 and 206353608.

It is not an unprimeable number, because it can be changed into a prime (206353649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54456 + ... + 58121.

It is an arithmetic number, because the mean of its divisors is an integer number (18913104).

Almost surely, 2^206353641 is an apocalyptic number.

It is an amenable number.

206353641 is a deficient number, since it is larger than the sum of its proper divisors (96256023).

206353641 is a wasteful number, since it uses less digits than its factorization.

206353641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112640.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 206353641 is about 14365.0144796307. The cubic root of 206353641 is about 590.9318235264.

The spelling of 206353641 in words is "two hundred six million, three hundred fifty-three thousand, six hundred forty-one".