6604242161 has 24 divisors (see below), whose sum is σ = 7831506144. Its totient is φ = 5519162880.

The previous prime is 6604242143. The next prime is 6604242163. The reversal of 6604242161 is 1612424066.

It is a de Polignac number, because none of the positive numbers 2^k-6604242161 is a prime.

It is a super-2 number, since 2×6604242161² = 87232029042259899842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6604242163) 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 23 ways as a sum of consecutive naturals, for example, 112541 + ... + 160853.

It is an arithmetic number, because the mean of its divisors is an integer number (326312756).

Almost surely, 2^6604242161 is an apocalyptic number.

It is an amenable number.

6604242161 is a deficient number, since it is larger than the sum of its proper divisors (1227263983).

6604242161 is a wasteful number, since it uses less digits than its factorization.

6604242161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48401 (or 48384 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 6604242161 is about 81266.4885484786. The cubic root of 6604242161 is about 1876.1792556552.

The spelling of 6604242161 in words is "six billion, six hundred four million, two hundred forty-two thousand, one hundred sixty-one".