164888568 has 96 divisors (see below), whose sum is σ = 496076400. Its totient is φ = 50723712.

The previous prime is 164888561. The next prime is 164888569. The reversal of 164888568 is 865888461.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164888561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34246 + ... + 38762.

Almost surely, 2^164888568 is an apocalyptic number.

164888568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164888568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248038200).

164888568 is an abundant number, since it is smaller than the sum of its proper divisors (331187832).

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

164888568 is a wasteful number, since it uses less digits than its factorization.

164888568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558 (or 4535 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The square root of 164888568 is about 12840.8943613753. The cubic root of 164888568 is about 548.3571561318.

The spelling of 164888568 in words is "one hundred sixty-four million, eight hundred eighty-eight thousand, five hundred sixty-eight".