5118661384 has 16 divisors (see below), whose sum is σ = 9598522320. Its totient is φ = 2559055440.

The previous prime is 5118661369. The next prime is 5118661409. The reversal of 5118661384 is 4831668115.

It is a self number, because there is not a number n which added to its sum of digits gives 5118661384.

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, 59799 + ... + 117529.

It is an arithmetic number, because the mean of its divisors is an integer number (599907645).

Almost surely, 2^5118661384 is an apocalyptic number.

It is an amenable number.

5118661384 is a deficient number, since it is larger than the sum of its proper divisors (4479860936).

5118661384 is a wasteful number, since it uses less digits than its factorization.

5118661384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68820 (or 68816 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 5118661384 is about 71544.8208048633. The cubic root of 5118661384 is about 1723.3975326443.

The spelling of 5118661384 in words is "five billion, one hundred eighteen million, six hundred sixty-one thousand, three hundred eighty-four".