5166734399 has 4 divisors (see below), whose sum is σ = 5166878160. Its totient is φ = 5166590640.

The previous prime is 5166734387. The next prime is 5166734437. The reversal of 5166734399 is 9934376615.

It is a Cunningham number, because it is equal to 71880²-1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5166734399 - 2²⁸ = 4898298943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5166734399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166737399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35939 + ... + 107819.

It is an arithmetic number, because the mean of its divisors is an integer number (1291719540).

Almost surely, 2^5166734399 is an apocalyptic number.

5166734399 is a deficient number, since it is larger than the sum of its proper divisors (143761).

5166734399 is an equidigital number, since it uses as much as digits as its factorization.

5166734399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143760.

The product of its digits is 3674160, while the sum is 53.

The square root of 5166734399 is about 71879.9999930440. Note that the first 5 decimals coincide. The cubic root of 5166734399 is about 1728.7759502677.

The spelling of 5166734399 in words is "five billion, one hundred sixty-six million, seven hundred thirty-four thousand, three hundred ninety-nine".