2660604626 has 16 divisors (see below), whose sum is σ = 4211222400. Its totient is φ = 1258163808.

The previous prime is 2660604619. The next prime is 2660604631. The reversal of 2660604626 is 6264060662.

It is a self number, because there is not a number n which added to its sum of digits gives 2660604626.

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 7 ways as a sum of consecutive naturals, for example, 320846 + ... + 329033.

It is an arithmetic number, because the mean of its divisors is an integer number (263201400).

Almost surely, 2^2660604626 is an apocalyptic number.

2660604626 is a deficient number, since it is larger than the sum of its proper divisors (1550617774).

2660604626 is a wasteful number, since it uses less digits than its factorization.

2660604626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649993.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 2660604626 is about 51581.0490975125. The cubic root of 2660604626 is about 1385.6709553876.

It can be divided in two parts, 26606046 and 26, that multiplied together give a palindrome (691757196).

The spelling of 2660604626 in words is "two billion, six hundred sixty million, six hundred four thousand, six hundred twenty-six".