163243452 has 24 divisors (see below), whose sum is σ = 403307856. Its totient is φ = 51213568.

The previous prime is 163243447. The next prime is 163243471. The reversal of 163243452 is 254342361.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399903 + ... + 400310.

It is an arithmetic number, because the mean of its divisors is an integer number (16804494).

Almost surely, 2^163243452 is an apocalyptic number.

163243452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163243452 is an abundant number, since it is smaller than the sum of its proper divisors (240064404).

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

163243452 is a wasteful number, since it uses less digits than its factorization.

163243452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800237 (or 800235 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 163243452 is about 12776.6760935699. The cubic root of 163243452 is about 546.5273789160.

The spelling of 163243452 in words is "one hundred sixty-three million, two hundred forty-three thousand, four hundred fifty-two".