266204274 has 16 divisors (see below), whose sum is σ = 608467008. Its totient is φ = 76058352.

The previous prime is 266204261. The next prime is 266204293. The reversal of 266204274 is 472402662.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3169057 + ... + 3169140.

It is an arithmetic number, because the mean of its divisors is an integer number (38029188).

Almost surely, 2^266204274 is an apocalyptic number.

266204274 is an abundant number, since it is smaller than the sum of its proper divisors (342262734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266204274 is a wasteful number, since it uses less digits than its factorization.

266204274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338209.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 266204274 is about 16315.7676497307. The cubic root of 266204274 is about 643.2873451575.

The spelling of 266204274 in words is "two hundred sixty-six million, two hundred four thousand, two hundred seventy-four".