168974739718 has 8 divisors (see below), whose sum is σ = 253687813848. Its totient is φ = 84412135104.

The previous prime is 168974739683. The next prime is 168974739719. The reversal of 168974739718 is 817937479861.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168974739719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37614571 + ... + 37619062.

It is an arithmetic number, because the mean of its divisors is an integer number (31710976731).

Almost surely, 2^168974739718 is an apocalyptic number.

168974739718 is a deficient number, since it is larger than the sum of its proper divisors (84713074130).

168974739718 is a wasteful number, since it uses less digits than its factorization.

168974739718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75234758.

The product of its digits is 128024064, while the sum is 70.

The spelling of 168974739718 in words is "one hundred sixty-eight billion, nine hundred seventy-four million, seven hundred thirty-nine thousand, seven hundred eighteen".