6613725615 has 32 divisors (see below), whose sum is σ = 12264016896. Its totient is φ = 2980830720.

The previous prime is 6613725607. The next prime is 6613725619. The reversal of 6613725615 is 5165273166.

It is not a de Polignac number, because 6613725615 - 2³ = 6613725607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6613725619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436122 + ... + 451031.

It is an arithmetic number, because the mean of its divisors is an integer number (383250528).

Almost surely, 2^6613725615 is an apocalyptic number.

6613725615 is a deficient number, since it is larger than the sum of its proper divisors (5650291281).

6613725615 is a wasteful number, since it uses less digits than its factorization.

6613725615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887239.

The product of its digits is 226800, while the sum is 42.

The square root of 6613725615 is about 81324.8154931814. The cubic root of 6613725615 is about 1877.0768681029.

The spelling of 6613725615 in words is "six billion, six hundred thirteen million, seven hundred twenty-five thousand, six hundred fifteen".