2660064466 has 4 divisors (see below), whose sum is σ = 3990096702. Its totient is φ = 1330032232.

The previous prime is 2660064439. The next prime is 2660064479. The reversal of 2660064466 is 6644600662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2278057441 + 382007025 = 47729^2 + 19545^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665016115 + ... + 665016118.

Almost surely, 2^2660064466 is an apocalyptic number.

2660064466 is a deficient number, since it is larger than the sum of its proper divisors (1330032236).

2660064466 is a wasteful number, since it uses less digits than its factorization.

2660064466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330032235.

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 2660064466 is about 51575.8128001876. The cubic root of 2660064466 is about 1385.5771753656.

The spelling of 2660064466 in words is "two billion, six hundred sixty million, sixty-four thousand, four hundred sixty-six".