163275140 has 96 divisors (see below), whose sum is σ = 428488704. Its totient is φ = 50964480.

The previous prime is 163275131. The next prime is 163275143. The reversal of 163275140 is 41572361.

It is not an unprimeable number, because it can be changed into a prime (163275143) 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 31 ways as a sum of consecutive naturals, for example, 72674 + ... + 74886.

It is an arithmetic number, because the mean of its divisors is an integer number (4463424).

Almost surely, 2^163275140 is an apocalyptic number.

163275140 is a gapful number since it is divisible by the number (10) 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 163275140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214244352).

163275140 is an abundant number, since it is smaller than the sum of its proper divisors (265213564).

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

163275140 is a wasteful number, since it uses less digits than its factorization.

163275140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277 (or 2275 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 163275140 is about 12777.9161055314. The cubic root of 163275140 is about 546.5627396792.

The spelling of 163275140 in words is "one hundred sixty-three million, two hundred seventy-five thousand, one hundred forty".