168224013617474 has 8 divisors (see below), whose sum is σ = 252348526608588. Its totient is φ = 84107838081280.

The previous prime is 168224013617437. The next prime is 168224013617479. The reversal of 168224013617474 is 474716310422861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 155582838691225 + 12641174926249 = 12473285^2 + 3555443^2 .

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

It is not an unprimeable number, because it can be changed into a prime (168224013617479) 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 3 ways as a sum of consecutive naturals, for example, 2084313287 + ... + 2084393994.

Almost surely, 2^{168224013617474} is an apocalyptic number.

168224013617474 is a deficient number, since it is larger than the sum of its proper divisors (84124512991114).

168224013617474 is a wasteful number, since it uses less digits than its factorization.

168224013617474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168727460.

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 168224013617474 in words is "one hundred sixty-eight trillion, two hundred twenty-four billion, thirteen million, six hundred seventeen thousand, four hundred seventy-four".