6617841965 has 16 divisors (see below), whose sum is σ = 9081056640. Its totient is φ = 4535369280.

The previous prime is 6617841961. The next prime is 6617841973. The reversal of 6617841965 is 5691487166.

It is not a de Polignac number, because 6617841965 - 2² = 6617841961 is a prime.

It is a super-2 number, since 2×6617841965² = 87591664547430122450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6617841961) 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, 9770 + ... + 115460.

It is an arithmetic number, because the mean of its divisors is an integer number (567566040).

Almost surely, 2^6617841965 is an apocalyptic number.

It is an amenable number.

6617841965 is a deficient number, since it is larger than the sum of its proper divisors (2463214675).

6617841965 is a wasteful number, since it uses less digits than its factorization.

6617841965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107492.

The product of its digits is 2177280, while the sum is 53.

The square root of 6617841965 is about 81350.1196372814. The cubic root of 6617841965 is about 1877.4662151139.

The spelling of 6617841965 in words is "six billion, six hundred seventeen million, eight hundred forty-one thousand, nine hundred sixty-five".