6718147385851 has 8 divisors (see below), whose sum is σ = 7401451306608. Its totient is φ = 6046937340000.

The previous prime is 6718147385843. The next prime is 6718147386019. The reversal of 6718147385851 is 1585837418176.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6718147385851 - 2³ = 6718147385843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6718147385821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3023467560 + ... + 3023469781.

It is an arithmetic number, because the mean of its divisors is an integer number (925181413326).

Almost surely, 2^{6718147385851} is an apocalyptic number.

6718147385851 is a deficient number, since it is larger than the sum of its proper divisors (683303920757).

6718147385851 is a wasteful number, since it uses less digits than its factorization.

6718147385851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6046937453.

The product of its digits is 45158400, while the sum is 64.

The spelling of 6718147385851 in words is "six trillion, seven hundred eighteen billion, one hundred forty-seven million, three hundred eighty-five thousand, eight hundred fifty-one".