163086144 has 112 divisors (see below), whose sum is σ = 468367872. Its totient is φ = 49784832.

The previous prime is 163086137. The next prime is 163086149. The reversal of 163086144 is 441680361.

163086144 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163086149) 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, 556462 + ... + 556754.

It is an arithmetic number, because the mean of its divisors is an integer number (4181856).

Almost surely, 2^163086144 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 163086144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234183936).

163086144 is an abundant number, since it is smaller than the sum of its proper divisors (305281728).

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

163086144 is a wasteful number, since it uses less digits than its factorization.

163086144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 163086144 is about 12770.5185485946. The cubic root of 163086144 is about 546.3517705258.

The spelling of 163086144 in words is "one hundred sixty-three million, eighty-six thousand, one hundred forty-four".