5165868424 has 8 divisors (see below), whose sum is σ = 9686003310. Its totient is φ = 2582934208.

The previous prime is 5165868391. The next prime is 5165868437. The reversal of 5165868424 is 4248685615.

It can be written as a sum of positive squares in only one way, i.e., 3001944100 + 2163924324 = 54790^2 + 46518^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 322866769 + ... + 322866784.

Almost surely, 2^5165868424 is an apocalyptic number.

It is an amenable number.

5165868424 is a deficient number, since it is larger than the sum of its proper divisors (4520134886).

5165868424 is a wasteful number, since it uses less digits than its factorization.

5165868424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645733559 (or 645733555 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 49.

The square root of 5165868424 is about 71873.9759857488. The cubic root of 5165868424 is about 1728.6793605403.

The spelling of 5165868424 in words is "five billion, one hundred sixty-five million, eight hundred sixty-eight thousand, four hundred twenty-four".