206153107 has 4 divisors (see below), whose sum is σ = 208762720. Its totient is φ = 203543496.

The previous prime is 206153081. The next prime is 206153111. The reversal of 206153107 is 701351602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206153107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206153177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304688 + ... + 1304845.

It is an arithmetic number, because the mean of its divisors is an integer number (52190680).

Almost surely, 2^206153107 is an apocalyptic number.

206153107 is a deficient number, since it is larger than the sum of its proper divisors (2609613).

206153107 is an equidigital number, since it uses as much as digits as its factorization.

206153107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609612.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 206153107 is about 14358.0328387979. The cubic root of 206153107 is about 590.7403394167.

The spelling of 206153107 in words is "two hundred six million, one hundred fifty-three thousand, one hundred seven".