163494880 has 48 divisors (see below), whose sum is σ = 395693424. Its totient is φ = 63800320.

The previous prime is 163494871. The next prime is 163494889. The reversal of 163494880 is 88494361.

It is an interprime number because it is at equal distance from previous prime (163494871) and next prime (163494889).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163494889) by changing a digit.

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, 5902 + ... + 19021.

It is an arithmetic number, because the mean of its divisors is an integer number (8243613).

Almost surely, 2^163494880 is an apocalyptic number.

163494880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163494880 is an abundant number, since it is smaller than the sum of its proper divisors (232198544).

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

163494880 is a wasteful number, since it uses less digits than its factorization.

163494880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24979 (or 24971 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 163494880 is about 12786.5116431339. The cubic root of 163494880 is about 546.8078226273.

The spelling of 163494880 in words is "one hundred sixty-three million, four hundred ninety-four thousand, eight hundred eighty".