168928871974 has 16 divisors (see below), whose sum is σ = 259311951360. Its totient is φ = 82491945480.

The previous prime is 168928871933. The next prime is 168928872023. The reversal of 168928871974 is 479178829861.

It is a congruent number.

It is an unprimeable number.

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, 822639 + ... + 1007269.

It is an arithmetic number, because the mean of its divisors is an integer number (16206996960).

Almost surely, 2^168928871974 is an apocalyptic number.

168928871974 is a deficient number, since it is larger than the sum of its proper divisors (90383079386).

168928871974 is a wasteful number, since it uses less digits than its factorization.

168928871974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195315.

The product of its digits is 97542144, while the sum is 70.

The spelling of 168928871974 in words is "one hundred sixty-eight billion, nine hundred twenty-eight million, eight hundred seventy-one thousand, nine hundred seventy-four".