16545723554147 has 2 divisors, whose sum is σ = 16545723554148. Its totient is φ = 16545723554146.

The previous prime is 16545723554131. The next prime is 16545723554161. The reversal of 16545723554147 is 74145532754561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16545723554147 - 2⁴ = 16545723554131 is a prime.

It is not a weakly prime, because it can be changed into another prime (16545723554117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272861777073 + 8272861777074.

It is an arithmetic number, because the mean of its divisors is an integer number (8272861777074).

Almost surely, 2^{16545723554147} is an apocalyptic number.

16545723554147 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545723554147 is an equidigital number, since it uses as much as digits as its factorization.

16545723554147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560000, while the sum is 59.

The spelling of 16545723554147 in words is "sixteen trillion, five hundred forty-five billion, seven hundred twenty-three million, five hundred fifty-four thousand, one hundred forty-seven".