190644168 has 96 divisors (see below), whose sum is σ = 563142240. Its totient is φ = 53314560.

The previous prime is 190644151. The next prime is 190644193. The reversal of 190644168 is 861446091.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42480 + ... + 46752.

It is an arithmetic number, because the mean of its divisors is an integer number (5866065).

Almost surely, 2^190644168 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 190644168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281571120).

190644168 is an abundant number, since it is smaller than the sum of its proper divisors (372498072).

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

190644168 is a wasteful number, since it uses less digits than its factorization.

190644168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319 (or 4302 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 190644168 is about 13807.3954097071. The cubic root of 190644168 is about 575.5386689959.

It can be divided in two parts, 19064 and 4168, that added together give a palindrome (23232).

The spelling of 190644168 in words is "one hundred ninety million, six hundred forty-four thousand, one hundred sixty-eight".