6528789916 has 12 divisors (see below), whose sum is σ = 12464053560. Its totient is φ = 2967631760.

The previous prime is 6528789901. The next prime is 6528789919. The reversal of 6528789916 is 6199878256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6528789919) 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, 74190751 + ... + 74190838.

It is an arithmetic number, because the mean of its divisors is an integer number (1038671130).

Almost surely, 2^6528789916 is an apocalyptic number.

It is an amenable number.

6528789916 is a deficient number, since it is larger than the sum of its proper divisors (5935263644).

6528789916 is a wasteful number, since it uses less digits than its factorization.

6528789916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148381604 (or 148381602 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 61.

The square root of 6528789916 is about 80800.9276926942. The cubic root of 6528789916 is about 1869.0068712107.

The spelling of 6528789916 in words is "six billion, five hundred twenty-eight million, seven hundred eighty-nine thousand, nine hundred sixteen".