266361604 has 6 divisors (see below), whose sum is σ = 466132814. Its totient is φ = 133180800.

The previous prime is 266361569. The next prime is 266361619. The reversal of 266361604 is 406163662.

266361604 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 174240000 + 92121604 = 13200^2 + 9598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 266361604.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 33295197 + ... + 33295204.

Almost surely, 2^266361604 is an apocalyptic number.

It is an amenable number.

266361604 is a deficient number, since it is larger than the sum of its proper divisors (199771210).

266361604 is a wasteful number, since it uses less digits than its factorization.

266361604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66590405 (or 66590403 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 266361604 is about 16320.5883472380. The cubic root of 266361604 is about 643.4140504436.

The spelling of 266361604 in words is "two hundred sixty-six million, three hundred sixty-one thousand, six hundred four".