6648059136 has 72 divisors (see below), whose sum is σ = 17983717024. Its totient is φ = 2179676160.

The previous prime is 6648059129. The next prime is 6648059147. The reversal of 6648059136 is 6319508466.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24106 + ... + 117801.

Almost surely, 2^6648059136 is an apocalyptic number.

It is an amenable number.

6648059136 is an abundant number, since it is smaller than the sum of its proper divisors (11335657888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6648059136 is a wasteful number, since it uses less digits than its factorization.

6648059136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141987 (or 141973 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 6648059136 is about 81535.6310823679. The cubic root of 6648059136 is about 1880.3193904321.

The spelling of 6648059136 in words is "six billion, six hundred forty-eight million, fifty-nine thousand, one hundred thirty-six".