16146910606691 has 2 divisors, whose sum is σ = 16146910606692. Its totient is φ = 16146910606690.

The previous prime is 16146910606667. The next prime is 16146910606693. The reversal of 16146910606691 is 19660601964161.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16146910606691 - 2²² = 16146906412387 is a prime.

It is a Sophie Germain prime.

Together with 16146910606693, 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 (16146910606693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8073455303345 + 8073455303346.

It is an arithmetic number, because the mean of its divisors is an integer number (8073455303346).

Almost surely, 2^{16146910606691} is an apocalyptic number.

16146910606691 is a deficient number, since it is larger than the sum of its proper divisors (1).

16146910606691 is an equidigital number, since it uses as much as digits as its factorization.

16146910606691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The spelling of 16146910606691 in words is "sixteen trillion, one hundred forty-six billion, nine hundred ten million, six hundred six thousand, six hundred ninety-one".