168130452 has 24 divisors (see below), whose sum is σ = 448348096. Its totient is φ = 48037248.

The previous prime is 168130451. The next prime is 168130477. The reversal of 168130452 is 254031861.

168130452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168130451) 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, 1000693 + ... + 1000860.

Almost surely, 2^168130452 is an apocalyptic number.

168130452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168130452 is an abundant number, since it is smaller than the sum of its proper divisors (280217644).

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

168130452 is a wasteful number, since it uses less digits than its factorization.

168130452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001567 (or 2001565 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 168130452 is about 12966.5127154528. The cubic root of 168130452 is about 551.9276186337.

The spelling of 168130452 in words is "one hundred sixty-eight million, one hundred thirty thousand, four hundred fifty-two".