205157266 has 8 divisors (see below), whose sum is σ = 310085424. Its totient is φ = 101795460.

The previous prime is 205157261. The next prime is 205157279. The reversal of 205157266 is 662751502.

205157266 is digitally balanced in base 2 and base 3, because in such bases 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 not an unprimeable number, because it can be changed into a prime (205157261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391260 + ... + 391783.

It is an arithmetic number, because the mean of its divisors is an integer number (38760678).

Almost surely, 2^205157266 is an apocalyptic number.

205157266 is a deficient number, since it is larger than the sum of its proper divisors (104928158).

205157266 is a wasteful number, since it uses less digits than its factorization.

205157266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783176.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 205157266 is about 14323.3119773326. The cubic root of 205157266 is about 589.7875956669.

The spelling of 205157266 in words is "two hundred five million, one hundred fifty-seven thousand, two hundred sixty-six".