2516321606 has 16 divisors (see below), whose sum is σ = 3997699920. Its totient is φ = 1183799040.

The previous prime is 2516321593. The next prime is 2516321611. The reversal of 2516321606 is 6061236152.

It is a congruent number.

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, 131786 + ... + 149666.

It is an arithmetic number, because the mean of its divisors is an integer number (249856245).

Almost surely, 2^2516321606 is an apocalyptic number.

2516321606 is a deficient number, since it is larger than the sum of its proper divisors (1481378314).

2516321606 is a wasteful number, since it uses less digits than its factorization.

2516321606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22039.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2516321606 is about 50162.9505312437. The cubic root of 2516321606 is about 1360.1559808841.

Adding to 2516321606 its reverse (6061236152), we get a palindrome (8577557758).

The spelling of 2516321606 in words is "two billion, five hundred sixteen million, three hundred twenty-one thousand, six hundred six".