16545054165923 has 2 divisors, whose sum is σ = 16545054165924. Its totient is φ = 16545054165922.

The previous prime is 16545054165859. The next prime is 16545054166019. The reversal of 16545054165923 is 32956145054561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16545054165923 - 2⁶ = 16545054165859 is a prime.

It is not a weakly prime, because it can be changed into another prime (16545054135923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272527082961 + 8272527082962.

It is an arithmetic number, because the mean of its divisors is an integer number (8272527082962).

Almost surely, 2^{16545054165923} is an apocalyptic number.

16545054165923 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545054165923 is an equidigital number, since it uses as much as digits as its factorization.

16545054165923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440000, while the sum is 56.

The spelling of 16545054165923 in words is "sixteen trillion, five hundred forty-five billion, fifty-four million, one hundred sixty-five thousand, nine hundred twenty-three".