64041266 has 4 divisors (see below), whose sum is σ = 96061902. Its totient is φ = 32020632.

The previous prime is 64041253. The next prime is 64041287. The reversal of 64041266 is 66214046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66214046 = 2 ⋅33107023.

It can be written as a sum of positive squares in only one way, i.e., 55071241 + 8970025 = 7421^2 + 2995^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16010315 + ... + 16010318.

Almost surely, 2^64041266 is an apocalyptic number.

64041266 is a deficient number, since it is larger than the sum of its proper divisors (32020636).

64041266 is a wasteful number, since it uses less digits than its factorization.

64041266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32020635.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 64041266 is about 8002.5787093911. The cubic root of 64041266 is about 400.0859523625.

The spelling of 64041266 in words is "sixty-four million, forty-one thousand, two hundred sixty-six".