190566841 has 4 divisors (see below), whose sum is σ = 194998672. Its totient is φ = 186135012.

The previous prime is 190566839. The next prime is 190566851. The reversal of 190566841 is 148665091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 190566841 - 2¹ = 190566839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190566794 and 190566803.

It is not an unprimeable number, because it can be changed into a prime (190566851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2215851 + ... + 2215936.

It is an arithmetic number, because the mean of its divisors is an integer number (48749668).

Almost surely, 2^190566841 is an apocalyptic number.

It is an amenable number.

190566841 is a deficient number, since it is larger than the sum of its proper divisors (4431831).

190566841 is an equidigital number, since it uses as much as digits as its factorization.

190566841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431830.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 190566841 is about 13804.5949234304. The cubic root of 190566841 is about 575.4608439084.

The spelling of 190566841 in words is "one hundred ninety million, five hundred sixty-six thousand, eight hundred forty-one".