6621160603201 has 16 divisors (see below), whose sum is σ = 7064789144400. Its totient is φ = 6193369340928.

The previous prime is 6621160603199. The next prime is 6621160603207. The reversal of 6621160603201 is 1023060611266.

It can be written as a sum of positive squares in 8 ways, for example, as 1984257025 + 6619176346176 = 44545^2 + 2572776^2 .

It is not a de Polignac number, because 6621160603201 - 2¹ = 6621160603199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6621160603207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12991836 + ... + 13491853.

It is an arithmetic number, because the mean of its divisors is an integer number (441549321525).

Almost surely, 2^{6621160603201} is an apocalyptic number.

It is an amenable number.

6621160603201 is a deficient number, since it is larger than the sum of its proper divisors (443628541199).

6621160603201 is a wasteful number, since it uses less digits than its factorization.

6621160603201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26483988.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 6621160603201 in words is "six trillion, six hundred twenty-one billion, one hundred sixty million, six hundred three thousand, two hundred one".