6650115641 has 32 divisors (see below), whose sum is σ = 7707571200. Its totient is φ = 5683092480.

The previous prime is 6650115631. The next prime is 6650115721. The reversal of 6650115641 is 1465110566.

6650115641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-6650115641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6650115601) 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, 6267251 + ... + 6268311.

It is an arithmetic number, because the mean of its divisors is an integer number (240861600).

Almost surely, 2^6650115641 is an apocalyptic number.

It is an amenable number.

6650115641 is a deficient number, since it is larger than the sum of its proper divisors (1057455559).

6650115641 is a wasteful number, since it uses less digits than its factorization.

6650115641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 6650115641 is about 81548.2411888816. The cubic root of 6650115641 is about 1880.5132559143.

The spelling of 6650115641 in words is "six billion, six hundred fifty million, one hundred fifteen thousand, six hundred forty-one".