168772844 has 12 divisors (see below), whose sum is σ = 295554000. Its totient is φ = 84328848.

The previous prime is 168772843. The next prime is 168772859. The reversal of 168772844 is 448277861.

It is not an unprimeable number, because it can be changed into a prime (168772841) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7424 + ... + 19815.

It is an arithmetic number, because the mean of its divisors is an integer number (24629500).

Almost surely, 2^168772844 is an apocalyptic number.

It is an amenable number.

168772844 is a deficient number, since it is larger than the sum of its proper divisors (126781156).

168772844 is a wasteful number, since it uses less digits than its factorization.

168772844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28792 (or 28790 counting only the distinct ones).

The product of its digits is 602112, while the sum is 47.

The square root of 168772844 is about 12991.2602929816. The cubic root of 168772844 is about 552.6296593793.

The spelling of 168772844 in words is "one hundred sixty-eight million, seven hundred seventy-two thousand, eight hundred forty-four".