2606555738 has 16 divisors (see below), whose sum is σ = 3993948000. Its totient is φ = 1275533616.

The previous prime is 2606555737. The next prime is 2606555767. The reversal of 2606555738 is 8375556062.

It is a junction number, because it is equal to n+sod(n) for n = 2606555692 and 2606555701.

It is not an unprimeable number, because it can be changed into a prime (2606555737) 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, 55613 + ... + 91136.

It is an arithmetic number, because the mean of its divisors is an integer number (249621750).

Almost surely, 2^2606555738 is an apocalyptic number.

2606555738 is a deficient number, since it is larger than the sum of its proper divisors (1387392262).

2606555738 is a wasteful number, since it uses less digits than its factorization.

2606555738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146941.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The square root of 2606555738 is about 51054.4389646973. The cubic root of 2606555738 is about 1376.2236139002.

The spelling of 2606555738 in words is "two billion, six hundred six million, five hundred fifty-five thousand, seven hundred thirty-eight".