168878426 has 32 divisors (see below), whose sum is σ = 274337280. Its totient is φ = 77795200.

The previous prime is 168878407. The next prime is 168878429. The reversal of 168878426 is 624878861.

It is not an unprimeable number, because it can be changed into a prime (168878429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111011 + ... + 112521.

It is an arithmetic number, because the mean of its divisors is an integer number (8573040).

Almost surely, 2^168878426 is an apocalyptic number.

168878426 is a deficient number, since it is larger than the sum of its proper divisors (105458854).

168878426 is a wasteful number, since it uses less digits than its factorization.

168878426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630.

The product of its digits is 1032192, while the sum is 50.

The square root of 168878426 is about 12995.3232356875. The cubic root of 168878426 is about 552.7448745611.

The spelling of 168878426 in words is "one hundred sixty-eight million, eight hundred seventy-eight thousand, four hundred twenty-six".