2606663345 has 16 divisors (see below), whose sum is σ = 3674849472. Its totient is φ = 1749927360.

The previous prime is 2606663327. The next prime is 2606663377. The reversal of 2606663345 is 5433666062.

It is not a de Polignac number, because 2606663345 - 2⁶ = 2606663281 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 in 15 ways as a sum of consecutive naturals, for example, 1822127 + ... + 1823556.

It is an arithmetic number, because the mean of its divisors is an integer number (229678092).

Almost surely, 2^2606663345 is an apocalyptic number.

It is an amenable number.

2606663345 is a deficient number, since it is larger than the sum of its proper divisors (1068186127).

2606663345 is a wasteful number, since it uses less digits than its factorization.

2606663345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645712.

The product of its (nonzero) digits is 466560, while the sum is 41.

The square root of 2606663345 is about 51055.4927995020. The cubic root of 2606663345 is about 1376.2425519512.

The spelling of 2606663345 in words is "two billion, six hundred six million, six hundred sixty-three thousand, three hundred forty-five".