163165648 has 40 divisors (see below), whose sum is σ = 327685376. Its totient is φ = 78624000.

The previous prime is 163165619. The next prime is 163165649. The reversal of 163165648 is 846561361.

It is a super-3 number, since 3×163165648³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163165648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163165649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154723 + ... + 155773.

Almost surely, 2^163165648 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 163165648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163842688).

163165648 is an abundant number, since it is smaller than the sum of its proper divisors (164519728).

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

163165648 is a wasteful number, since it uses less digits than its factorization.

163165648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403 (or 1397 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 163165648 is about 12773.6309638254. The cubic root of 163165648 is about 546.4405377126.

The spelling of 163165648 in words is "one hundred sixty-three million, one hundred sixty-five thousand, six hundred forty-eight".