168242170 has 8 divisors (see below), whose sum is σ = 302835924. Its totient is φ = 67296864.

The previous prime is 168242167. The next prime is 168242189. The reversal of 168242170 is 71242861.

It can be written as a sum of positive squares in 2 ways, for example, as 159592689 + 8649481 = 12633^2 + 2941^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8412099 + ... + 8412118.

Almost surely, 2^168242170 is an apocalyptic number.

168242170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168242170 is a deficient number, since it is larger than the sum of its proper divisors (134593754).

168242170 is a wasteful number, since it uses less digits than its factorization.

168242170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16824224.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 168242170 is about 12970.8199432418. The cubic root of 168242170 is about 552.0498384078.

The spelling of 168242170 in words is "one hundred sixty-eight million, two hundred forty-two thousand, one hundred seventy".