6616536325 has 24 divisors (see below), whose sum is σ = 9699914880. Its totient is φ = 4380600000.

The previous prime is 6616536287. The next prime is 6616536331. The reversal of 6616536325 is 5236356166.

It is not a de Polignac number, because 6616536325 - 2¹¹ = 6616534277 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 646801 + ... + 656950.

It is an arithmetic number, because the mean of its divisors is an integer number (404163120).

Almost surely, 2^6616536325 is an apocalyptic number.

It is an amenable number.

6616536325 is a deficient number, since it is larger than the sum of its proper divisors (3083378555).

6616536325 is a wasteful number, since it uses less digits than its factorization.

6616536325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303797 (or 1303792 counting only the distinct ones).

The product of its digits is 583200, while the sum is 43.

The square root of 6616536325 is about 81342.0944222609. The cubic root of 6616536325 is about 1877.3427379932.

The spelling of 6616536325 in words is "six billion, six hundred sixteen million, five hundred thirty-six thousand, three hundred twenty-five".