168279401 has 8 divisors (see below), whose sum is σ = 170651520. Its totient is φ = 165913488.

The previous prime is 168279361. The next prime is 168279427. The reversal of 168279401 is 104972861.

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 168279401 - 2⁶ = 168279337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168279101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87290 + ... + 89196.

It is an arithmetic number, because the mean of its divisors is an integer number (21331440).

Almost surely, 2^168279401 is an apocalyptic number.

It is an amenable number.

168279401 is a deficient number, since it is larger than the sum of its proper divisors (2372119).

168279401 is a wasteful number, since it uses less digits than its factorization.

168279401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 168279401 is about 12972.2550468298. The cubic root of 168279401 is about 552.0905571955.

The spelling of 168279401 in words is "one hundred sixty-eight million, two hundred seventy-nine thousand, four hundred one".