1906162735691 has 2 divisors, whose sum is σ = 1906162735692. Its totient is φ = 1906162735690.

The previous prime is 1906162735649. The next prime is 1906162735693. The reversal of 1906162735691 is 1965372616091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1906162735691 - 2⁶ = 1906162735627 is a prime.

Together with 1906162735693, 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 (1906162735693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953081367845 + 953081367846.

It is an arithmetic number, because the mean of its divisors is an integer number (953081367846).

Almost surely, 2^{1906162735691} is an apocalyptic number.

1906162735691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1906162735691 is an equidigital number, since it uses as much as digits as its factorization.

1906162735691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3674160, while the sum is 56.

The spelling of 1906162735691 in words is "one trillion, nine hundred six billion, one hundred sixty-two million, seven hundred thirty-five thousand, six hundred ninety-one".