6617331161 has 16 divisors (see below), whose sum is σ = 7802901120. Its totient is φ = 5493813120.

The previous prime is 6617331143. The next prime is 6617331167. The reversal of 6617331161 is 1611337166.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6617331161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6617331167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43046 + ... + 122831.

It is an arithmetic number, because the mean of its divisors is an integer number (487681320).

Almost surely, 2^6617331161 is an apocalyptic number.

It is an amenable number.

6617331161 is a deficient number, since it is larger than the sum of its proper divisors (1185569959).

6617331161 is a wasteful number, since it uses less digits than its factorization.

6617331161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166064.

The product of its digits is 13608, while the sum is 35.

The square root of 6617331161 is about 81346.9800361390. The cubic root of 6617331161 is about 1877.4179092395.

The spelling of 6617331161 in words is "six billion, six hundred seventeen million, three hundred thirty-one thousand, one hundred sixty-one".