163263648 has 96 divisors (see below), whose sum is σ = 460494720. Its totient is φ = 50462720.

The previous prime is 163263623. The next prime is 163263671. The reversal of 163263648 is 846362361.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115168 + ... + 116576.

It is an arithmetic number, because the mean of its divisors is an integer number (4796820).

Almost surely, 2^163263648 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 163263648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230247360).

163263648 is an abundant number, since it is smaller than the sum of its proper divisors (297231072).

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

163263648 is a wasteful number, since it uses less digits than its factorization.

163263648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1502 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 163263648 is about 12777.4664155301. The cubic root of 163263648 is about 546.5499162402.

The spelling of 163263648 in words is "one hundred sixty-three million, two hundred sixty-three thousand, six hundred forty-eight".