2660406602 has 16 divisors (see below), whose sum is σ = 4828973760. Its totient is φ = 1073105088.

The previous prime is 2660406589. The next prime is 2660406643. The reversal of 2660406602 is 2066040662.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5588852 + ... + 5589327.

It is an arithmetic number, because the mean of its divisors is an integer number (301810860).

Almost surely, 2^2660406602 is an apocalyptic number.

2660406602 is a deficient number, since it is larger than the sum of its proper divisors (2168567158).

2660406602 is a wasteful number, since it uses less digits than its factorization.

2660406602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11178205.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2660406602 is about 51579.1295196032. The cubic root of 2660406602 is about 1385.6365768720.

It can be divided in two parts, 266040660 and 2, that added together give a palindrome (266040662).

The spelling of 2660406602 in words is "two billion, six hundred sixty million, four hundred six thousand, six hundred two".