163545088 has 128 divisors (see below), whose sum is σ = 402647040. Its totient is φ = 64880640.

The previous prime is 163545079. The next prime is 163545097. The reversal of 163545088 is 880545361.

It is an interprime number because it is at equal distance from previous prime (163545079) and next prime (163545097).

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 163545088.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5275633 + ... + 5275663.

It is an arithmetic number, because the mean of its divisors is an integer number (3145680).

Almost surely, 2^163545088 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 163545088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201323520).

163545088 is an abundant number, since it is smaller than the sum of its proper divisors (239101952).

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

163545088 is an frugal number, since it uses more digits than its factorization.

163545088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 163545088 is about 12788.4748113291. The cubic root of 163545088 is about 546.8637903683.

The spelling of 163545088 in words is "one hundred sixty-three million, five hundred forty-five thousand, eighty-eight".