16554475545683 has 2 divisors, whose sum is σ = 16554475545684. Its totient is φ = 16554475545682.

The previous prime is 16554475545539. The next prime is 16554475545731. The reversal of 16554475545683 is 38654557445561.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16554475545683 - 2²⁴ = 16554458768467 is a prime.

It is not a weakly prime, because it can be changed into another prime (16554475541683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8277237772841 + 8277237772842.

It is an arithmetic number, because the mean of its divisors is an integer number (8277237772842).

Almost surely, 2^{16554475545683} is an apocalyptic number.

16554475545683 is a deficient number, since it is larger than the sum of its proper divisors (1).

16554475545683 is an equidigital number, since it uses as much as digits as its factorization.

16554475545683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600000, while the sum is 68.

The spelling of 16554475545683 in words is "sixteen trillion, five hundred fifty-four billion, four hundred seventy-five million, five hundred forty-five thousand, six hundred eighty-three".