5166444461 has 2 divisors, whose sum is σ = 5166444462. Its totient is φ = 5166444460.

The previous prime is 5166444383. The next prime is 5166444463. The reversal of 5166444461 is 1644446615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4974621961 + 191822500 = 70531^2 + 13850^2 .

It is a cyclic number.

It is not a de Polignac number, because 5166444461 - 2¹⁸ = 5166182317 is a prime.

Together with 5166444463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5166444463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2583222230 + 2583222231.

It is an arithmetic number, because the mean of its divisors is an integer number (2583222231).

Almost surely, 2^5166444461 is an apocalyptic number.

It is an amenable number.

5166444461 is a deficient number, since it is larger than the sum of its proper divisors (1).

5166444461 is an equidigital number, since it uses as much as digits as its factorization.

5166444461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 41.

The square root of 5166444461 is about 71877.9831450494. The cubic root of 5166444461 is about 1728.7436121615.

The spelling of 5166444461 in words is "five billion, one hundred sixty-six million, four hundred forty-four thousand, four hundred sixty-one".