16554505577023 has 2 divisors, whose sum is σ = 16554505577024. Its totient is φ = 16554505577022.

The previous prime is 16554505577017. The next prime is 16554505577039. The reversal of 16554505577023 is 32077550545561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16554505577023 - 2⁴¹ = 14355482321471 is a prime.

It is a super-2 number, since 2×16554505577023² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16554505577003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8277252788511 + 8277252788512.

It is an arithmetic number, because the mean of its divisors is an integer number (8277252788512).

Almost surely, 2^{16554505577023} is an apocalyptic number.

16554505577023 is a deficient number, since it is larger than the sum of its proper divisors (1).

16554505577023 is an equidigital number, since it uses as much as digits as its factorization.

16554505577023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050000, while the sum is 55.

The spelling of 16554505577023 in words is "sixteen trillion, five hundred fifty-four billion, five hundred five million, five hundred seventy-seven thousand, twenty-three".