264661066 has 16 divisors (see below), whose sum is σ = 427238280. Its totient is φ = 122503680.

The previous prime is 264661063. The next prime is 264661073. The reversal of 264661066 is 660166462.

264661066 is digitally balanced in base 2, 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 4 ways, for example, as 116186841 + 148474225 = 10779^2 + 12185^2 .

It is not an unprimeable number, because it can be changed into a prime (264661063) 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, 61731 + ... + 65878.

Almost surely, 2^264661066 is an apocalyptic number.

264661066 is a deficient number, since it is larger than the sum of its proper divisors (162577214).

264661066 is a wasteful number, since it uses less digits than its factorization.

264661066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127689.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 264661066 is about 16268.4069902372. The cubic root of 264661066 is about 642.0418721861.

The spelling of 264661066 in words is "two hundred sixty-four million, six hundred sixty-one thousand, sixty-six".