168105379 has 8 divisors (see below), whose sum is σ = 182039312. Its totient is φ = 154314720.

The previous prime is 168105271. The next prime is 168105383. The reversal of 168105379 is 973501861.

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 168105379 - 2⁷ = 168105251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168105389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33369 + ... + 38074.

It is an arithmetic number, because the mean of its divisors is an integer number (22754914).

Almost surely, 2^168105379 is an apocalyptic number.

168105379 is a deficient number, since it is larger than the sum of its proper divisors (13933933).

168105379 is a wasteful number, since it uses less digits than its factorization.

168105379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71637.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 168105379 is about 12965.5458427326. The cubic root of 168105379 is about 551.9001812699.

The spelling of 168105379 in words is "one hundred sixty-eight million, one hundred five thousand, three hundred seventy-nine".