2605136516 has 12 divisors (see below), whose sum is σ = 4633726860. Its totient is φ = 1281214560.

The previous prime is 2605136503. The next prime is 2605136519. The reversal of 2605136516 is 6156315062.

It can be written as a sum of positive squares in 2 ways, for example, as 305550400 + 2299586116 = 17480^2 + 47954^2 .

It is not an unprimeable number, because it can be changed into a prime (2605136519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5338151 + ... + 5338638.

It is an arithmetic number, because the mean of its divisors is an integer number (386143905).

Almost surely, 2^2605136516 is an apocalyptic number.

It is an amenable number.

2605136516 is a deficient number, since it is larger than the sum of its proper divisors (2028590344).

2605136516 is a wasteful number, since it uses less digits than its factorization.

2605136516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10676854 (or 10676852 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 2605136516 is about 51040.5379673843. The cubic root of 2605136516 is about 1375.9737923450.

The spelling of 2605136516 in words is "two billion, six hundred five million, one hundred thirty-six thousand, five hundred sixteen".