2064666244 has 6 divisors (see below), whose sum is σ = 3613165934. Its totient is φ = 1032333120.

The previous prime is 2064666229. The next prime is 2064666271. The reversal of 2064666244 is 4426664602.

It can be written as a sum of positive squares in only one way, i.e., 1641870400 + 422795844 = 40520^2 + 20562^2 .

It is a super-2 number, since 2×2064666244² = 8525693398226135072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2064666197 and 2064666206.

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, 258083277 + ... + 258083284.

Almost surely, 2^2064666244 is an apocalyptic number.

It is an amenable number.

2064666244 is a deficient number, since it is larger than the sum of its proper divisors (1548499690).

2064666244 is a wasteful number, since it uses less digits than its factorization.

2064666244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516166565 (or 516166563 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The square root of 2064666244 is about 45438.5986139538. The cubic root of 2064666244 is about 1273.3563326225.

The spelling of 2064666244 in words is "two billion, sixty-four million, six hundred sixty-six thousand, two hundred forty-four".