16554471075613 has 2 divisors, whose sum is σ = 16554471075614. Its totient is φ = 16554471075612.

The previous prime is 16554471075601. The next prime is 16554471075617. The reversal of 16554471075613 is 31657017445561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16406728472484 + 147742603129 = 4050522^2 + 384373^2 .

It is a cyclic number.

It is not a de Polignac number, because 16554471075613 - 2²¹ = 16554468978461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16554471075617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8277235537806 + 8277235537807.

It is an arithmetic number, because the mean of its divisors is an integer number (8277235537807).

Almost surely, 2^{16554471075613} is an apocalyptic number.

It is an amenable number.

16554471075613 is a deficient number, since it is larger than the sum of its proper divisors (1).

16554471075613 is an equidigital number, since it uses as much as digits as its factorization.

16554471075613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584000, while the sum is 55.

The spelling of 16554471075613 in words is "sixteen trillion, five hundred fifty-four billion, four hundred seventy-one million, seventy-five thousand, six hundred thirteen".