5166536321 has 8 divisors (see below), whose sum is σ = 5307729000. Its totient is φ = 5026066560.

The previous prime is 5166536303. The next prime is 5166536359. The reversal of 5166536321 is 1236356615.

It can be written as a sum of positive squares in 4 ways, for example, as 362521600 + 4804014721 = 19040^2 + 69311^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5166536321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5166530321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166226 + ... + 194843.

It is an arithmetic number, because the mean of its divisors is an integer number (663466125).

Almost surely, 2^5166536321 is an apocalyptic number.

It is an amenable number.

5166536321 is a deficient number, since it is larger than the sum of its proper divisors (141192679).

5166536321 is a wasteful number, since it uses less digits than its factorization.

5166536321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361459.

The product of its digits is 97200, while the sum is 38.

The square root of 5166536321 is about 71878.6221417745. The cubic root of 5166536321 is about 1728.7538578568.

The spelling of 5166536321 in words is "five billion, one hundred sixty-six million, five hundred thirty-six thousand, three hundred twenty-one".