168864412 has 24 divisors (see below), whose sum is σ = 300464640. Its totient is φ = 83023920.

The previous prime is 168864401. The next prime is 168864461. The reversal of 168864412 is 214468861.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 183289 + ... + 184207.

It is an arithmetic number, because the mean of its divisors is an integer number (12519360).

Almost surely, 2^168864412 is an apocalyptic number.

It is an amenable number.

168864412 is a deficient number, since it is larger than the sum of its proper divisors (131600228).

168864412 is a wasteful number, since it uses less digits than its factorization.

168864412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641 (or 1639 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 168864412 is about 12994.7840305255. The cubic root of 168864412 is about 552.7295847041.

The spelling of 168864412 in words is "one hundred sixty-eight million, eight hundred sixty-four thousand, four hundred twelve".