168878650 has 96 divisors (see below), whose sum is σ = 353548800. Its totient is φ = 59716800.

The previous prime is 168878603. The next prime is 168878651. The reversal of 168878650 is 56878861.

It is a junction number, because it is equal to n+sod(n) for n = 168878594 and 168878603.

It is not an unprimeable number, because it can be changed into a prime (168878651) 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 47 ways as a sum of consecutive naturals, for example, 1289085 + ... + 1289215.

It is an arithmetic number, because the mean of its divisors is an integer number (3682800).

Almost surely, 2^168878650 is an apocalyptic number.

168878650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168878650 is an abundant number, since it is smaller than the sum of its proper divisors (184670150).

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

168878650 is a wasteful number, since it uses less digits than its factorization.

168878650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 168878650 is about 12995.3318541698. The cubic root of 168878650 is about 552.7451189476.

The spelling of 168878650 in words is "one hundred sixty-eight million, eight hundred seventy-eight thousand, six hundred fifty".