4615665165 has 24 divisors (see below), whose sum is σ = 8004274200. Its totient is φ = 2460522624.

The previous prime is 4615665157. The next prime is 4615665211. The reversal of 4615665165 is 5615665164.

It can be written as a sum of positive squares in 4 ways, for example, as 1065173769 + 3550491396 = 32637^2 + 59586^2 .

It is not a de Polignac number, because 4615665165 - 2³ = 4615665157 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 4615665165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76411 + ... + 122759.

It is an arithmetic number, because the mean of its divisors is an integer number (333511425).

Almost surely, 2^4615665165 is an apocalyptic number.

4615665165 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4615665165 is a deficient number, since it is larger than the sum of its proper divisors (3388609035).

4615665165 is a wasteful number, since it uses less digits than its factorization.

4615665165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48573 (or 48570 counting only the distinct ones).

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

The square root of 4615665165 is about 67938.6868065611. The cubic root of 4615665165 is about 1664.9892432279.

Subtracting 4615665165 from its reverse (5615665164), we obtain a palindrome (999999999).

The spelling of 4615665165 in words is "four billion, six hundred fifteen million, six hundred sixty-five thousand, one hundred sixty-five".