190811712 has 224 divisors, whose sum is σ = 634504192. Its totient is φ = 49268736.

The previous prime is 190811711. The next prime is 190811717. The reversal of 190811712 is 217118091.

190811712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 190811712.

It is not an unprimeable number, because it can be changed into a prime (190811711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1170543 + ... + 1170705.

It is an arithmetic number, because the mean of its divisors is an integer number (2832608).

Almost surely, 2^190811712 is an apocalyptic number.

190811712 is a gapful number since it is divisible by the number (12) 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 190811712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317252096).

190811712 is an abundant number, since it is smaller than the sum of its proper divisors (443692480).

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

190811712 is a wasteful number, since it uses less digits than its factorization.

190811712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 30.

The square root of 190811712 is about 13813.4612606689. The cubic root of 190811712 is about 575.7072200327.

The spelling of 190811712 in words is "one hundred ninety million, eight hundred eleven thousand, seven hundred twelve".