4656116565 has 24 divisors (see below), whose sum is σ = 8073112320. Its totient is φ = 2482489824.

The previous prime is 4656116561. The next prime is 4656116651. The reversal of 4656116565 is 5656116564.

It is not a de Polignac number, because 4656116565 - 2² = 4656116561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4656116565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4656116561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148756 + ... + 177314.

It is an arithmetic number, because the mean of its divisors is an integer number (336379680).

Almost surely, 2^4656116565 is an apocalyptic number.

4656116565 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4656116565 is a deficient number, since it is larger than the sum of its proper divisors (3416995755).

4656116565 is a wasteful number, since it uses less digits than its factorization.

4656116565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32193 (or 32190 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 4656116565 is about 68235.7425767464. The cubic root of 4656116565 is about 1669.8390566450.

Subtracting 4656116565 from its reverse (5656116564), we obtain a palindrome (999999999).

The spelling of 4656116565 in words is "four billion, six hundred fifty-six million, one hundred sixteen thousand, five hundred sixty-five".