190665472 has 72 divisors (see below), whose sum is σ = 406845936. Its totient is φ = 88866816.

The previous prime is 190665467. The next prime is 190665479. The reversal of 190665472 is 274566091.

It is not an unprimeable number, because it can be changed into a prime (190665479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839823 + ... + 840049.

It is an arithmetic number, because the mean of its divisors is an integer number (5650638).

Almost surely, 2^190665472 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 190665472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203422968).

190665472 is an abundant number, since it is smaller than the sum of its proper divisors (216180464).

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

190665472 is a wasteful number, since it uses less digits than its factorization.

190665472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 190665472 is about 13808.1668587832. The cubic root of 190665472 is about 575.5601065240.

The spelling of 190665472 in words is "one hundred ninety million, six hundred sixty-five thousand, four hundred seventy-two".