5166520101 has 6 divisors (see below), whose sum is σ = 7462751270. Its totient is φ = 3444346728.

The previous prime is 5166520081. The next prime is 5166520141. The reversal of 5166520101 is 1010256615.

It is a happy number.

5166520101 is a `hidden beast` number, since 5 + 1 + 6 + 652 + 0 + 1 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3925649025 + 1240871076 = 62655^2 + 35226^2 .

It is not a de Polignac number, because 5166520101 - 2¹⁰ = 5166519077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166520141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287028886 + ... + 287028903.

Almost surely, 2^5166520101 is an apocalyptic number.

It is an amenable number.

5166520101 is a deficient number, since it is larger than the sum of its proper divisors (2296231169).

5166520101 is a wasteful number, since it uses less digits than its factorization.

5166520101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574057795 (or 574057792 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 5166520101 is about 71878.5093125894. The cubic root of 5166520101 is about 1728.7520487520.

Adding to 5166520101 its reverse (1010256615), we get a palindrome (6176776716).

The spelling of 5166520101 in words is "five billion, one hundred sixty-six million, five hundred twenty thousand, one hundred one".