6944158918517 has 16 divisors (see below), whose sum is σ = 7628086949760. Its totient is φ = 6292123149312.

The previous prime is 6944158918507. The next prime is 6944158918573. The reversal of 6944158918517 is 7158198514496.

It is a cyclic number.

It is not a de Polignac number, because 6944158918517 - 2²⁶ = 6944091809653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6944158918507) 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 15 ways as a sum of consecutive naturals, for example, 4637453 + ... + 5949309.

It is an arithmetic number, because the mean of its divisors is an integer number (476755434360).

Almost surely, 2^{6944158918517} is an apocalyptic number.

It is an amenable number.

6944158918517 is a deficient number, since it is larger than the sum of its proper divisors (683928031243).

6944158918517 is a wasteful number, since it uses less digits than its factorization.

6944158918517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324012.

The product of its digits is 87091200, while the sum is 68.

The spelling of 6944158918517 in words is "six trillion, nine hundred forty-four billion, one hundred fifty-eight million, nine hundred eighteen thousand, five hundred seventeen".