163670832 has 240 divisors, whose sum is σ = 540277920. Its totient is φ = 45785088.

The previous prime is 163670831. The next prime is 163670839. The reversal of 163670832 is 238076361.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (163670831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1177419 + ... + 1177557.

It is an arithmetic number, because the mean of its divisors is an integer number (2251158).

Almost surely, 2^163670832 is an apocalyptic number.

163670832 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 163670832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270138960).

163670832 is an abundant number, since it is smaller than the sum of its proper divisors (376607088).

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

163670832 is a wasteful number, since it uses less digits than its factorization.

163670832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 163670832 is about 12793.3901683643. The cubic root of 163670832 is about 547.0039091682.

The spelling of 163670832 in words is "one hundred sixty-three million, six hundred seventy thousand, eight hundred thirty-two".