168256484 has 24 divisors (see below), whose sum is σ = 322914816. Its totient is φ = 76076000.

The previous prime is 168256447. The next prime is 168256489. The reversal of 168256484 is 484652861.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (168256489) 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 7 ways as a sum of consecutive naturals, for example, 1607 + ... + 18414.

It is an arithmetic number, because the mean of its divisors is an integer number (13454784).

Almost surely, 2^168256484 is an apocalyptic number.

It is an amenable number.

168256484 is a deficient number, since it is larger than the sum of its proper divisors (154658332).

168256484 is a wasteful number, since it uses less digits than its factorization.

168256484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20227 (or 20225 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 168256484 is about 12971.3717084971. The cubic root of 168256484 is about 552.0654940493.

It can be divided in two parts, 168 and 256484, that added together give a palindrome (256652).

The spelling of 168256484 in words is "one hundred sixty-eight million, two hundred fifty-six thousand, four hundred eighty-four".