5165851165 has 8 divisors (see below), whose sum is σ = 6201324288. Its totient is φ = 4131145680.

The previous prime is 5165851151. The next prime is 5165851189. The reversal of 5165851165 is 5611585615.

It is a happy number.

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

It is not a de Polignac number, because 5165851165 - 2¹³ = 5165842973 is a prime.

It is a Duffinian number.

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, 176997 + ... + 204106.

It is an arithmetic number, because the mean of its divisors is an integer number (775165536).

Almost surely, 2^5165851165 is an apocalyptic number.

It is an amenable number.

5165851165 is a deficient number, since it is larger than the sum of its proper divisors (1035473123).

5165851165 is a wasteful number, since it uses less digits than its factorization.

5165851165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383819.

The product of its digits is 180000, while the sum is 43.

The square root of 5165851165 is about 71873.8559213293. The cubic root of 5165851165 is about 1728.6774353842.

The spelling of 5165851165 in words is "five billion, one hundred sixty-five million, eight hundred fifty-one thousand, one hundred sixty-five".