6611103641 has 4 divisors (see below), whose sum is σ = 6611758692. Its totient is φ = 6610448592.

The previous prime is 6611103563. The next prime is 6611103691. The reversal of 6611103641 is 1463011166.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1463011166 = 2 ⋅731505583.

It can be written as a sum of positive squares in 2 ways, for example, as 282105616 + 6328998025 = 16796^2 + 79555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6611103641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6611103691) 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, 312146 + ... + 332651.

It is an arithmetic number, because the mean of its divisors is an integer number (1652939673).

Almost surely, 2^6611103641 is an apocalyptic number.

It is an amenable number.

6611103641 is a deficient number, since it is larger than the sum of its proper divisors (655051).

6611103641 is a wasteful number, since it uses less digits than its factorization.

6611103641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655050.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 6611103641 is about 81308.6935142854. The cubic root of 6611103641 is about 1876.8287831575.

The spelling of 6611103641 in words is "six billion, six hundred eleven million, one hundred three thousand, six hundred forty-one".