2606641603 has 8 divisors (see below), whose sum is σ = 2849005440. Its totient is φ = 2374170240.

The previous prime is 2606641579. The next prime is 2606641621. The reversal of 2606641603 is 3061466062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2606641603 - 2⁵ = 2606641571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2606641403) 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 in 7 ways as a sum of consecutive naturals, for example, 2472568 + ... + 2473621.

It is an arithmetic number, because the mean of its divisors is an integer number (356125680).

Almost surely, 2^2606641603 is an apocalyptic number.

2606641603 is a deficient number, since it is larger than the sum of its proper divisors (242363837).

2606641603 is a wasteful number, since it uses less digits than its factorization.

2606641603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4946237.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 2606641603 is about 51055.2798738779. The cubic root of 2606641603 is about 1376.2387255590.

The spelling of 2606641603 in words is "two billion, six hundred six million, six hundred forty-one thousand, six hundred three".