5165853181 has 2 divisors, whose sum is σ = 5165853182. Its totient is φ = 5165853180.

The previous prime is 5165853169. The next prime is 5165853211. The reversal of 5165853181 is 1813585615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4767212025 + 398641156 = 69045^2 + 19966^2 .

It is a cyclic number.

It is not a de Polignac number, because 5165853181 - 2¹³ = 5165844989 is a prime.

It is a super-2 number, since 2×5165853181² = 53372078175295637522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5165853151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582926590 + 2582926591.

It is an arithmetic number, because the mean of its divisors is an integer number (2582926591).

Almost surely, 2^5165853181 is an apocalyptic number.

It is an amenable number.

5165853181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5165853181 is an equidigital number, since it uses as much as digits as its factorization.

5165853181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 43.

The square root of 5165853181 is about 71873.8699458990. The cubic root of 5165853181 is about 1728.6776602592.

The spelling of 5165853181 in words is "five billion, one hundred sixty-five million, eight hundred fifty-three thousand, one hundred eighty-one".