192010661 has 2 divisors, whose sum is σ = 192010662. Its totient is φ = 192010660.

The previous prime is 192010639. The next prime is 192010691. The reversal of 192010661 is 166010291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172922500 + 19088161 = 13150^2 + 4369^2 .

It is an emirp because it is prime and its reverse (166010291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 192010661 - 2²⁶ = 124901797 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 192010661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192010691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96005330 + 96005331.

It is an arithmetic number, because the mean of its divisors is an integer number (96005331).

Almost surely, 2^192010661 is an apocalyptic number.

It is an amenable number.

192010661 is a deficient number, since it is larger than the sum of its proper divisors (1).

192010661 is an equidigital number, since it uses as much as digits as its factorization.

192010661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 192010661 is about 13856.7911509122. The cubic root of 192010661 is about 576.9105055800.

The spelling of 192010661 in words is "one hundred ninety-two million, ten thousand, six hundred sixty-one".