664113266 has 16 divisors (see below), whose sum is σ = 1011225984. Its totient is φ = 327050784.

The previous prime is 664113257. The next prime is 664113269. The reversal of 664113266 is 662311466.

It is not an unprimeable number, because it can be changed into a prime (664113269) 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, 117395 + ... + 122921.

It is an arithmetic number, because the mean of its divisors is an integer number (63201624).

Almost surely, 2^664113266 is an apocalyptic number.

664113266 is a deficient number, since it is larger than the sum of its proper divisors (347112718).

664113266 is a wasteful number, since it uses less digits than its factorization.

664113266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425.

The product of its digits is 31104, while the sum is 35.

The square root of 664113266 is about 25770.3951463690. The cubic root of 664113266 is about 872.4637373237.

The spelling of 664113266 in words is "six hundred sixty-four million, one hundred thirteen thousand, two hundred sixty-six".