16551186360133 has 2 divisors, whose sum is σ = 16551186360134. Its totient is φ = 16551186360132.

The previous prime is 16551186360083. The next prime is 16551186360139. The reversal of 16551186360133 is 33106368115561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16199795860609 + 351390499524 = 4024897^2 + 592782^2 .

It is a cyclic number.

It is not a de Polignac number, because 16551186360133 - 2³³ = 16542596425541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16551186360139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8275593180066 + 8275593180067.

It is an arithmetic number, because the mean of its divisors is an integer number (8275593180067).

Almost surely, 2^{16551186360133} is an apocalyptic number.

It is an amenable number.

16551186360133 is a deficient number, since it is larger than the sum of its proper divisors (1).

16551186360133 is an equidigital number, since it uses as much as digits as its factorization.

16551186360133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 16551186360133 in words is "sixteen trillion, five hundred fifty-one billion, one hundred eighty-six million, three hundred sixty thousand, one hundred thirty-three".