6591606016 has 18 divisors (see below), whose sum is σ = 13157464082. Its totient is φ = 3295802880.

The previous prime is 6591606001. The next prime is 6591606023. The reversal of 6591606016 is 6106061956.

It can be written as a sum of positive squares in only one way, i.e., 6477030400 + 114575616 = 80480^2 + 10704^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6591606016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12873975 + ... + 12874486.

Almost surely, 2^6591606016 is an apocalyptic number.

It is an amenable number.

6591606016 is a deficient number, since it is larger than the sum of its proper divisors (6565858066).

6591606016 is an equidigital number, since it uses as much as digits as its factorization.

6591606016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25748477 (or 25748463 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 6591606016 is about 81188.7062096693. The cubic root of 6591606016 is about 1874.9819035646.

The spelling of 6591606016 in words is "six billion, five hundred ninety-one million, six hundred six thousand, sixteen".