5213660181 has 8 divisors (see below), whose sum is σ = 7360461504. Its totient is φ = 3271316160.

The previous prime is 5213660167. The next prime is 5213660183. The reversal of 5213660181 is 1810663125.

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

It is not a de Polignac number, because 5213660181 - 2³⁰ = 4139918357 is a prime.

It is a super-2 number, since 2×5213660181² = 54364504965889905522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5213660183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51114265 + ... + 51114366.

It is an arithmetic number, because the mean of its divisors is an integer number (920057688).

Almost surely, 2^5213660181 is an apocalyptic number.

5213660181 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5213660181 is a deficient number, since it is larger than the sum of its proper divisors (2146801323).

5213660181 is a wasteful number, since it uses less digits than its factorization.

5213660181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102228651.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 5213660181 is about 72205.6797004225. The cubic root of 5213660181 is about 1733.9939333076.

The spelling of 5213660181 in words is "five billion, two hundred thirteen million, six hundred sixty thousand, one hundred eighty-one".