163448887 has 24 divisors (see below), whose sum is σ = 200143872. Its totient is φ = 130712400.

The previous prime is 163448881. The next prime is 163448899. The reversal of 163448887 is 788844361.

It is a happy number.

163448887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163448887 - 2⁷ = 163448759 is a prime.

Its product of digits (1032192) is a multiple of the sum of its prime divisors (1008).

It is a self number, because there is not a number n which added to its sum of digits gives 163448887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163448881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178962 + ... + 179872.

It is an arithmetic number, because the mean of its divisors is an integer number (8339328).

Almost surely, 2^163448887 is an apocalyptic number.

163448887 is a deficient number, since it is larger than the sum of its proper divisors (36694985).

163448887 is an equidigital number, since it uses as much as digits as its factorization.

163448887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027 (or 1008 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 49.

The square root of 163448887 is about 12784.7130198530. The cubic root of 163448887 is about 546.7565433643.

The spelling of 163448887 in words is "one hundred sixty-three million, four hundred forty-eight thousand, eight hundred eighty-seven".