6611611063 has 4 divisors (see below), whose sum is σ = 6629626720. Its totient is φ = 6593595408.

The previous prime is 6611611057. The next prime is 6611611109. The reversal of 6611611063 is 3601161166.

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

It is a cyclic number.

It is not a de Polignac number, because 6611611063 - 2¹⁷ = 6611479991 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 (6611611163) 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, 9007278 + ... + 9008011.

It is an arithmetic number, because the mean of its divisors is an integer number (1657406680).

Almost surely, 2^6611611063 is an apocalyptic number.

6611611063 is a deficient number, since it is larger than the sum of its proper divisors (18015657).

6611611063 is a wasteful number, since it uses less digits than its factorization.

6611611063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18015656.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 6611611063 is about 81311.8137972583. The cubic root of 6611611063 is about 1876.8767993387.

The spelling of 6611611063 in words is "six billion, six hundred eleven million, six hundred eleven thousand, sixty-three".