6600150560581 has 2 divisors, whose sum is σ = 6600150560582. Its totient is φ = 6600150560580.

The previous prime is 6600150560501. The next prime is 6600150560611. The reversal of 6600150560581 is 1850650510066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5997400183681 + 602750376900 = 2448959^2 + 776370^2 .

It is a cyclic number.

It is not a de Polignac number, because 6600150560581 - 2¹⁵ = 6600150527813 is a prime.

It is a super-2 number, since 2×6600150560581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6600150560501) 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 as a sum of consecutive naturals, namely, 3300075280290 + 3300075280291.

It is an arithmetic number, because the mean of its divisors is an integer number (3300075280291).

Almost surely, 2^{6600150560581} is an apocalyptic number.

It is an amenable number.

6600150560581 is a deficient number, since it is larger than the sum of its proper divisors (1).

6600150560581 is an equidigital number, since it uses as much as digits as its factorization.

6600150560581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 6600150560581 in words is "six trillion, six hundred billion, one hundred fifty million, five hundred sixty thousand, five hundred eighty-one".