6616886241 has 8 divisors (see below), whose sum is σ = 10082874304. Its totient is φ = 3781077840.

The previous prime is 6616886203. The next prime is 6616886273. The reversal of 6616886241 is 1426886166.

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

It is not a de Polignac number, because 6616886241 - 2⁹ = 6616885729 is a prime.

It is a super-2 number, since 2×6616886241² = 87566367052670220162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6616886201) 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 7 ways as a sum of consecutive naturals, for example, 157544890 + ... + 157544931.

It is an arithmetic number, because the mean of its divisors is an integer number (1260359288).

Almost surely, 2^6616886241 is an apocalyptic number.

It is an amenable number.

6616886241 is a deficient number, since it is larger than the sum of its proper divisors (3465988063).

6616886241 is a wasteful number, since it uses less digits than its factorization.

6616886241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315089831.

The product of its digits is 663552, while the sum is 48.

The square root of 6616886241 is about 81344.2452850845. The cubic root of 6616886241 is about 1877.3758318785.

The spelling of 6616886241 in words is "six billion, six hundred sixteen million, eight hundred eighty-six thousand, two hundred forty-one".