168864472 has 16 divisors (see below), whose sum is σ = 361852560. Its totient is φ = 72370464.

The previous prime is 168864469. The next prime is 168864473. The reversal of 168864472 is 274468861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168864473) 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 3 ways as a sum of consecutive naturals, for example, 1507663 + ... + 1507774.

It is an arithmetic number, because the mean of its divisors is an integer number (22615785).

Almost surely, 2^168864472 is an apocalyptic number.

It is an amenable number.

168864472 is an abundant number, since it is smaller than the sum of its proper divisors (192988088).

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

168864472 is a wasteful number, since it uses less digits than its factorization.

168864472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015450 (or 3015446 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 168864472 is about 12994.7863391439. The cubic root of 168864472 is about 552.7296501684.

The spelling of 168864472 in words is "one hundred sixty-eight million, eight hundred sixty-four thousand, four hundred seventy-two".