16554423270019 has 2 divisors, whose sum is σ = 16554423270020. Its totient is φ = 16554423270018.

The previous prime is 16554423269983. The next prime is 16554423270053. The reversal of 16554423270019 is 91007232445561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16554423270019 - 2²⁵ = 16554389715587 is a prime.

It is a super-2 number, since 2×16554423270019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16554423270089) 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, 8277211635009 + 8277211635010.

It is an arithmetic number, because the mean of its divisors is an integer number (8277211635010).

Almost surely, 2^{16554423270019} is an apocalyptic number.

16554423270019 is a deficient number, since it is larger than the sum of its proper divisors (1).

16554423270019 is an equidigital number, since it uses as much as digits as its factorization.

16554423270019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 16554423270019 in words is "sixteen trillion, five hundred fifty-four billion, four hundred twenty-three million, two hundred seventy thousand, nineteen".