168457068 has 72 divisors (see below), whose sum is σ = 460107648. Its totient is φ = 51660288.

The previous prime is 168457057. The next prime is 168457073. The reversal of 168457068 is 860754861.

It is a happy number.

168457068 is a `hidden beast` number, since 16 + 8 + 4 + 570 + 68 = 666.

It is a super-4 number, since 4×168457068⁴ (a number of 34 digits) contains 4444 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 277221 + ... + 277827.

It is an arithmetic number, because the mean of its divisors is an integer number (6390384).

Almost surely, 2^168457068 is an apocalyptic number.

168457068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168457068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230053824).

168457068 is an abundant number, since it is smaller than the sum of its proper divisors (291650580).

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

168457068 is a wasteful number, since it uses less digits than its factorization.

168457068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 168457068 is about 12979.1012015470. The cubic root of 168457068 is about 552.2847853117.

The spelling of 168457068 in words is "one hundred sixty-eight million, four hundred fifty-seven thousand, sixty-eight".