5166256419 has 6 divisors (see below), whose sum is σ = 7462370396. Its totient is φ = 3444170940.

The previous prime is 5166256391. The next prime is 5166256421. The reversal of 5166256419 is 9146526615.

5166256419 is a `hidden beast` number, since 5 + 1 + 6 + 625 + 6 + 4 + 19 = 666.

It is not a de Polignac number, because 5166256419 - 2⁹ = 5166255907 is a prime.

It is a super-2 number, since 2×5166256419² = 53380410773717407122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5166256519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287014237 + ... + 287014254.

Almost surely, 2^5166256419 is an apocalyptic number.

5166256419 is a deficient number, since it is larger than the sum of its proper divisors (2296113977).

5166256419 is a wasteful number, since it uses less digits than its factorization.

5166256419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574028497 (or 574028494 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 5166256419 is about 71876.6750691766. The cubic root of 5166256419 is about 1728.7226383336.

The spelling of 5166256419 in words is "five billion, one hundred sixty-six million, two hundred fifty-six thousand, four hundred nineteen".