6158668518 has 16 divisors (see below), whose sum is σ = 13685930160. Its totient is φ = 2052889488.

The previous prime is 6158668487. The next prime is 6158668541. The reversal of 6158668518 is 8158668516.

6158668518 is a `hidden beast` number, since 6 + 1 + 586 + 6 + 8 + 51 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 114049417 = 6158668518 / (6 + 1 + 5 + 8 + 6 + 6 + 8 + 5 + 1 + 8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57024655 + ... + 57024762.

It is an arithmetic number, because the mean of its divisors is an integer number (855370635).

Almost surely, 2^6158668518 is an apocalyptic number.

6158668518 is an abundant number, since it is smaller than the sum of its proper divisors (7527261642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6158668518 is a wasteful number, since it uses less digits than its factorization.

6158668518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114049428 (or 114049422 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 6158668518 is about 78477.1846972099. The cubic root of 6158668518 is about 1832.9992044377. Note that the first 3 decimals are identical.

The spelling of 6158668518 in words is "six billion, one hundred fifty-eight million, six hundred sixty-eight thousand, five hundred eighteen".