18058346769217 has 8 divisors (see below), whose sum is σ = 19008974439200. Its totient is φ = 17107737935904.

The previous prime is 18058346769139. The next prime is 18058346769227. The reversal of 18058346769217 is 71296764385081.

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 18058346769217 - 2³¹ = 18056199285569 is a prime.

It is a super-2 number, since 2×18058346769217² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18058346769227) 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, 2719788 + ... + 6596509.

It is an arithmetic number, because the mean of its divisors is an integer number (2376121804900).

It is a 1-persistent number, because it is pandigital, but 2⋅18058346769217 = 36116693538434 is not.

Almost surely, 2^{18058346769217} is an apocalyptic number.

It is an amenable number.

18058346769217 is a deficient number, since it is larger than the sum of its proper divisors (950627669983).

18058346769217 is a wasteful number, since it uses less digits than its factorization.

18058346769217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9418335.

The product of its (nonzero) digits is 121927680, while the sum is 67.

The spelling of 18058346769217 in words is "eighteen trillion, fifty-eight billion, three hundred forty-six million, seven hundred sixty-nine thousand, two hundred seventeen".