163704852 has 54 divisors (see below), whose sum is σ = 420492618. Its totient is φ = 53700768.

The previous prime is 163704847. The next prime is 163704857. The reversal of 163704852 is 258407361.

It is an interprime number because it is at equal distance from previous prime (163704847) and next prime (163704857).

It can be written as a sum of positive squares in only one way, i.e., 85488516 + 78216336 = 9246^2 + 8844^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163704857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 161098 + ... + 162110.

Almost surely, 2^163704852 is an apocalyptic number.

163704852 is a gapful number since it is divisible by the number (12) 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 163704852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210246309).

163704852 is an abundant number, since it is smaller than the sum of its proper divisors (256787766).

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

163704852 is a wasteful number, since it uses less digits than its factorization.

163704852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 163704852 is about 12794.7196921230. The cubic root of 163704852 is about 547.0418059304.

The spelling of 163704852 in words is "one hundred sixty-three million, seven hundred four thousand, eight hundred fifty-two".