5166487725 has 72 divisors (see below), whose sum is σ = 10033732800. Its totient is φ = 2338721280.

The previous prime is 5166487717. The next prime is 5166487727. The reversal of 5166487725 is 5277846615.

It is not a de Polignac number, because 5166487725 - 2³ = 5166487717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166487727) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 371701 + ... + 385349.

It is an arithmetic number, because the mean of its divisors is an integer number (139357400).

Almost surely, 2^5166487725 is an apocalyptic number.

It is an amenable number.

5166487725 is a deficient number, since it is larger than the sum of its proper divisors (4867245075).

5166487725 is a wasteful number, since it uses less digits than its factorization.

5166487725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13779 (or 13767 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

The square root of 5166487725 is about 71878.2840988848. The cubic root of 5166487725 is about 1728.7484376693.

The spelling of 5166487725 in words is "five billion, one hundred sixty-six million, four hundred eighty-seven thousand, seven hundred twenty-five".