168070193 has 4 divisors (see below), whose sum is σ = 172169508. Its totient is φ = 163970880.

The previous prime is 168070153. The next prime is 168070207. The reversal of 168070193 is 391070861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3794704 + 164275489 = 1948^2 + 12817^2 .

It is a cyclic number.

It is not a de Polignac number, because 168070193 - 2¹⁶ = 168004657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168070153) 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, 2049596 + ... + 2049677.

It is an arithmetic number, because the mean of its divisors is an integer number (43042377).

Almost surely, 2^168070193 is an apocalyptic number.

It is an amenable number.

168070193 is a deficient number, since it is larger than the sum of its proper divisors (4099315).

168070193 is an equidigital number, since it uses as much as digits as its factorization.

168070193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099314.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 168070193 is about 12964.1888678004. The cubic root of 168070193 is about 551.8616726572.

The spelling of 168070193 in words is "one hundred sixty-eight million, seventy thousand, one hundred ninety-three".