2056664606 has 4 divisors (see below), whose sum is σ = 3084996912. Its totient is φ = 1028332302.

The previous prime is 2056664581. The next prime is 2056664609. The reversal of 2056664606 is 6064666502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6064666502 = 2 ⋅3032333251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056664609) by changing a digit.

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, 514166150 + ... + 514166153.

It is an arithmetic number, because the mean of its divisors is an integer number (771249228).

Almost surely, 2^2056664606 is an apocalyptic number.

2056664606 is a deficient number, since it is larger than the sum of its proper divisors (1028332306).

2056664606 is a wasteful number, since it uses less digits than its factorization.

2056664606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028332305.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 2056664606 is about 45350.4642313615. The cubic root of 2056664606 is about 1271.7092339193.

The spelling of 2056664606 in words is "two billion, fifty-six million, six hundred sixty-four thousand, six hundred six".