5166621125 has 16 divisors (see below), whose sum is σ = 6451363776. Its totient is φ = 4131104400.

The previous prime is 5166621073. The next prime is 5166621149. The reversal of 5166621125 is 5211266615.

It is not a de Polignac number, because 5166621125 - 2²⁶ = 5099512261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250454 + ... + 270296.

It is an arithmetic number, because the mean of its divisors is an integer number (403210236).

Almost surely, 2^5166621125 is an apocalyptic number.

It is an amenable number.

5166621125 is a deficient number, since it is larger than the sum of its proper divisors (1284742651).

5166621125 is a wasteful number, since it uses less digits than its factorization.

5166621125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21941 (or 21931 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 5166621125 is about 71879.2120504948. The cubic root of 5166621125 is about 1728.7633164464.

The spelling of 5166621125 in words is "five billion, one hundred sixty-six million, six hundred twenty-one thousand, one hundred twenty-five".