206601157 has 8 divisors (see below), whose sum is σ = 246381696. Its totient is φ = 169387152.

The previous prime is 206601151. The next prime is 206601217. The reversal of 206601157 is 751106602.

206601157 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 206601157 - 2¹¹ = 206599109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206601151) 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, 641458 + ... + 641779.

It is an arithmetic number, because the mean of its divisors is an integer number (30797712).

Almost surely, 2^206601157 is an apocalyptic number.

It is an amenable number.

206601157 is a deficient number, since it is larger than the sum of its proper divisors (39780539).

206601157 is a wasteful number, since it uses less digits than its factorization.

206601157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283267.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 206601157 is about 14373.6271344431. The cubic root of 206601157 is about 591.1679984073.

Adding to 206601157 its reverse (751106602), we get a palindrome (957707759).

Subtracting 206601157 from its reverse (751106602), we obtain a palindrome (544505445).

The spelling of 206601157 in words is "two hundred six million, six hundred one thousand, one hundred fifty-seven".