2060666655 has 16 divisors (see below), whose sum is σ = 3297744384. Its totient is φ = 1098796320.

The previous prime is 2060666639. The next prime is 2060666677. The reversal of 2060666655 is 5566660602.

It is not a de Polignac number, because 2060666655 - 2⁴ = 2060666639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82710 + ... + 104700.

It is an arithmetic number, because the mean of its divisors is an integer number (206109024).

Almost surely, 2^2060666655 is an apocalyptic number.

2060666655 is a deficient number, since it is larger than the sum of its proper divisors (1237077729).

2060666655 is a wasteful number, since it uses less digits than its factorization.

2060666655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28246.

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 2060666655 is about 45394.5663598629. The cubic root of 2060666655 is about 1272.5335694393.

The spelling of 2060666655 in words is "two billion, sixty million, six hundred sixty-six thousand, six hundred fifty-five".