163875740 has 24 divisors (see below), whose sum is σ = 393302112. Its totient is φ = 56185920.

The previous prime is 163875731. The next prime is 163875749. The reversal of 163875740 is 47578361.

It is an interprime number because it is at equal distance from previous prime (163875731) and next prime (163875749).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163875749) 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, 585131 + ... + 585410.

It is an arithmetic number, because the mean of its divisors is an integer number (16387588).

Almost surely, 2^163875740 is an apocalyptic number.

163875740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163875740 is an abundant number, since it is smaller than the sum of its proper divisors (229426372).

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

163875740 is a wasteful number, since it uses less digits than its factorization.

163875740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170557 (or 1170555 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 163875740 is about 12801.3960176225. The cubic root of 163875740 is about 547.2320881560.

The spelling of 163875740 in words is "one hundred sixty-three million, eight hundred seventy-five thousand, seven hundred forty".