5051991016 has 32 divisors (see below), whose sum is σ = 10083096000. Its totient is φ = 2366153856.

The previous prime is 5051991011. The next prime is 5051991041. The reversal of 5051991016 is 6101991505.

It is a super-2 number, since 2×5051991016² = 51045226451489424512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5051991011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173196 + ... + 200251.

It is an arithmetic number, because the mean of its divisors is an integer number (315096750).

Almost surely, 2^5051991016 is an apocalyptic number.

It is an amenable number.

5051991016 is a deficient number, since it is larger than the sum of its proper divisors (5031104984).

5051991016 is a wasteful number, since it uses less digits than its factorization.

5051991016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373561 (or 373557 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 37.

The square root of 5051991016 is about 71077.3593769493. The cubic root of 5051991016 is about 1715.8824139756.

The spelling of 5051991016 in words is "five billion, fifty-one million, nine hundred ninety-one thousand, sixteen".