168278348 has 18 divisors (see below), whose sum is σ = 342567036. Its totient is φ = 72119208.

The previous prime is 168278317. The next prime is 168278351. The reversal of 168278348 is 843872861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 429086 + ... + 429477.

It is an arithmetic number, because the mean of its divisors is an integer number (19031502).

Almost surely, 2^168278348 is an apocalyptic number.

It is an amenable number.

168278348 is an abundant number, since it is smaller than the sum of its proper divisors (174288688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168278348 is a wasteful number, since it uses less digits than its factorization.

168278348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858581 (or 858572 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 168278348 is about 12972.2144601452. The cubic root of 168278348 is about 552.0894056333.

The spelling of 168278348 in words is "one hundred sixty-eight million, two hundred seventy-eight thousand, three hundred forty-eight".