16168074325518 has 16 divisors (see below), whose sum is σ = 33024151814400. Its totient is φ = 5274690914616.

The previous prime is 16168074325511. The next prime is 16168074325577. The reversal of 16168074325518 is 81552347086161.

It is a happy number.

It is a super-2 number, since 2×16168074325518² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16168074325511) 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, 28666798168 + ... + 28666798731.

It is an arithmetic number, because the mean of its divisors is an integer number (2064009488400).

Almost surely, 2^{16168074325518} is an apocalyptic number.

16168074325518 is an abundant number, since it is smaller than the sum of its proper divisors (16856077488882).

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

16168074325518 is a wasteful number, since it uses less digits than its factorization.

16168074325518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57333596951.

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 16168074325518 in words is "sixteen trillion, one hundred sixty-eight billion, seventy-four million, three hundred twenty-five thousand, five hundred eighteen".