190660241 has 2 divisors, whose sum is σ = 190660242. Its totient is φ = 190660240.

The previous prime is 190660207. The next prime is 190660243. The reversal of 190660241 is 142066091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190329616 + 330625 = 13796^2 + 575^2 .

It is an emirp because it is prime and its reverse (142066091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190660241 - 2¹⁸ = 190398097 is a prime.

Together with 190660243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (190660243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95330120 + 95330121.

It is an arithmetic number, because the mean of its divisors is an integer number (95330121).

Almost surely, 2^190660241 is an apocalyptic number.

It is an amenable number.

190660241 is a deficient number, since it is larger than the sum of its proper divisors (1).

190660241 is an equidigital number, since it uses as much as digits as its factorization.

190660241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 190660241 is about 13807.9774405957. The cubic root of 190660241 is about 575.5548428853.

The spelling of 190660241 in words is "one hundred ninety million, six hundred sixty thousand, two hundred forty-one".