168448306 has 8 divisors (see below), whose sum is σ = 272108844. Its totient is φ = 77745360.

The previous prime is 168448261. The next prime is 168448307. The reversal of 168448306 is 603844861.

It can be written as a sum of positive squares in 2 ways, for example, as 119574225 + 48874081 = 10935^2 + 6991^2 .

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

It is not an unprimeable number, because it can be changed into a prime (168448307) 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, 3239365 + ... + 3239416.

Almost surely, 2^168448306 is an apocalyptic number.

168448306 is a deficient number, since it is larger than the sum of its proper divisors (103660538).

168448306 is a wasteful number, since it uses less digits than its factorization.

168448306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6478796.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 168448306 is about 12978.7636545243. The cubic root of 168448306 is about 552.2752097697.

The spelling of 168448306 in words is "one hundred sixty-eight million, four hundred forty-eight thousand, three hundred six".