6601625260117 has 4 divisors (see below), whose sum is σ = 6620326748460. Its totient is φ = 6582923771776.

The previous prime is 6601625260057. The next prime is 6601625260123. The reversal of 6601625260117 is 7110625261066.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4210872265681 + 2390752994436 = 2052041^2 + 1546206^2 .

It is a cyclic number.

It is not a de Polignac number, because 6601625260117 - 2¹⁹ = 6601624735829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601625260177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9350743642 + ... + 9350744347.

It is an arithmetic number, because the mean of its divisors is an integer number (1655081687115).

Almost surely, 2^{6601625260117} is an apocalyptic number.

It is an amenable number.

6601625260117 is a deficient number, since it is larger than the sum of its proper divisors (18701488343).

6601625260117 is a wasteful number, since it uses less digits than its factorization.

6601625260117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18701488342.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 6601625260117 in words is "six trillion, six hundred one billion, six hundred twenty-five million, two hundred sixty thousand, one hundred seventeen".