163347564 has 48 divisors (see below), whose sum is σ = 399184128. Its totient is φ = 51889728.

The previous prime is 163347559. The next prime is 163347571. The reversal of 163347564 is 465743361.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86559 + ... + 88425.

It is an arithmetic number, because the mean of its divisors is an integer number (8316336).

Almost surely, 2^163347564 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 163347564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199592064).

163347564 is an abundant number, since it is smaller than the sum of its proper divisors (235836564).

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

163347564 is a wasteful number, since it uses less digits than its factorization.

163347564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214 (or 2212 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 163347564 is about 12780.7497432662. The cubic root of 163347564 is about 546.6435407297.

The spelling of 163347564 in words is "one hundred sixty-three million, three hundred forty-seven thousand, five hundred sixty-four".