5166734387 has 2 divisors, whose sum is σ = 5166734388. Its totient is φ = 5166734386.

The previous prime is 5166734341. The next prime is 5166734437. The reversal of 5166734387 is 7834376615.

It is an a-pointer prime, because the next prime (5166734437) can be obtained adding 5166734387 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5166734387 - 2²⁴ = 5149957171 is a prime.

It is not a weakly prime, because it can be changed into another prime (5166734317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2583367193 + 2583367194.

It is an arithmetic number, because the mean of its divisors is an integer number (2583367194).

Almost surely, 2^5166734387 is an apocalyptic number.

5166734387 is a deficient number, since it is larger than the sum of its proper divisors (1).

5166734387 is an equidigital number, since it uses as much as digits as its factorization.

5166734387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 50.

The square root of 5166734387 is about 71879.9999095715. Note that the first 4 decimals coincide. The cubic root of 5166734387 is about 1728.7759489293.

The spelling of 5166734387 in words is "five billion, one hundred sixty-six million, seven hundred thirty-four thousand, three hundred eighty-seven".