16545597623 has 2 divisors, whose sum is σ = 16545597624. Its totient is φ = 16545597622.

The previous prime is 16545597589. The next prime is 16545597641. The reversal of 16545597623 is 32679554561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16545597623 - 2⁶ = 16545597559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16545597223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272798811 + 8272798812.

It is an arithmetic number, because the mean of its divisors is an integer number (8272798812).

Almost surely, 2^16545597623 is an apocalyptic number.

16545597623 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545597623 is an equidigital number, since it uses as much as digits as its factorization.

16545597623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804000, while the sum is 53.

The spelling of 16545597623 in words is "sixteen billion, five hundred forty-five million, five hundred ninety-seven thousand, six hundred twenty-three".