6626303641 has 8 divisors (see below), whose sum is σ = 6984134280. Its totient is φ = 6277095552.

The previous prime is 6626303633. The next prime is 6626303689. The reversal of 6626303641 is 1463036266.

It can be written as a sum of positive squares in 4 ways, for example, as 3136448016 + 3489855625 = 56004^2 + 59075^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6626303641 - 2³ = 6626303633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6626303641.

It is not an unprimeable number, because it can be changed into a prime (6626306641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2154060 + ... + 2157133.

It is an arithmetic number, because the mean of its divisors is an integer number (873016785).

Almost surely, 2^6626303641 is an apocalyptic number.

It is an amenable number.

6626303641 is a deficient number, since it is larger than the sum of its proper divisors (357830639).

6626303641 is a wasteful number, since it uses less digits than its factorization.

6626303641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311275.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 6626303641 is about 81402.1107895858. The cubic root of 6626303641 is about 1878.2660601787.

The spelling of 6626303641 in words is "six billion, six hundred twenty-six million, three hundred three thousand, six hundred forty-one".