5165917645 has 32 divisors (see below), whose sum is σ = 7402590720. Its totient is φ = 3383804160.

The previous prime is 5165917643. The next prime is 5165917649. The reversal of 5165917645 is 5467195615.

It is not a de Polignac number, because 5165917645 - 2¹ = 5165917643 is a prime.

It is a super-3 number, since 3×5165917645³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165917643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 663475 + ... + 671215.

It is an arithmetic number, because the mean of its divisors is an integer number (231330960).

Almost surely, 2^5165917645 is an apocalyptic number.

It is an amenable number.

5165917645 is a deficient number, since it is larger than the sum of its proper divisors (2236673075).

5165917645 is a wasteful number, since it uses less digits than its factorization.

5165917645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8605.

The product of its digits is 1134000, while the sum is 49.

The square root of 5165917645 is about 71874.3183967681. The cubic root of 5165917645 is about 1728.6848508761.

The spelling of 5165917645 in words is "five billion, one hundred sixty-five million, nine hundred seventeen thousand, six hundred forty-five".