5251566338 has 8 divisors (see below), whose sum is σ = 8044952832. Its totient is φ = 2569915396.

The previous prime is 5251566283. The next prime is 5251566349. The reversal of 5251566338 is 8336651525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27933770 + ... + 27933957.

It is an arithmetic number, because the mean of its divisors is an integer number (1005619104).

Almost surely, 2^5251566338 is an apocalyptic number.

5251566338 is a deficient number, since it is larger than the sum of its proper divisors (2793386494).

5251566338 is a wasteful number, since it uses less digits than its factorization.

5251566338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55867776.

The product of its digits is 648000, while the sum is 44.

The square root of 5251566338 is about 72467.6916839498. The cubic root of 5251566338 is about 1738.1861507367.

The spelling of 5251566338 in words is "five billion, two hundred fifty-one million, five hundred sixty-six thousand, three hundred thirty-eight".