5164420165 has 8 divisors (see below), whose sum is σ = 6261194520. Its totient is φ = 4088942592.

The previous prime is 5164420139. The next prime is 5164420181. The reversal of 5164420165 is 5610244615.

It can be written as a sum of positive squares in 4 ways, for example, as 424648449 + 4739771716 = 20607^2 + 68846^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5164420165 - 2²³ = 5156031557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5164420165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5323660 + ... + 5324629.

It is an arithmetic number, because the mean of its divisors is an integer number (782649315).

Almost surely, 2^5164420165 is an apocalyptic number.

It is an amenable number.

5164420165 is a deficient number, since it is larger than the sum of its proper divisors (1096774355).

5164420165 is a wasteful number, since it uses less digits than its factorization.

5164420165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10648391.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 5164420165 is about 71863.9002907579. The cubic root of 5164420165 is about 1728.5177994866.

The spelling of 5164420165 in words is "five billion, one hundred sixty-four million, four hundred twenty thousand, one hundred sixty-five".