163941888 has 160 divisors (see below), whose sum is σ = 493396992. Its totient is φ = 47923200.

The previous prime is 163941871. The next prime is 163941889. The reversal of 163941888 is 888149361.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163941889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523620 + ... + 523932.

Almost surely, 2^163941888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163941888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246698496).

163941888 is an abundant number, since it is smaller than the sum of its proper divisors (329455104).

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

163941888 is a wasteful number, since it uses less digits than its factorization.

163941888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 360 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 163941888 is about 12803.9793814267. The cubic root of 163941888 is about 547.3057078364.

The spelling of 163941888 in words is "one hundred sixty-three million, nine hundred forty-one thousand, eight hundred eighty-eight".