16030005505477 has 2 divisors, whose sum is σ = 16030005505478. Its totient is φ = 16030005505476.

The previous prime is 16030005505471. The next prime is 16030005505523. The reversal of 16030005505477 is 77450550003061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9330636142881 + 6699369362596 = 3054609^2 + 2588314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16030005505477 is a prime.

It is a super-2 number, since 2×16030005505477² (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 (16030005505471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8015002752738 + 8015002752739.

It is an arithmetic number, because the mean of its divisors is an integer number (8015002752739).

Almost surely, 2^{16030005505477} is an apocalyptic number.

It is an amenable number.

16030005505477 is a deficient number, since it is larger than the sum of its proper divisors (1).

16030005505477 is an equidigital number, since it uses as much as digits as its factorization.

16030005505477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 441000, while the sum is 43.

The spelling of 16030005505477 in words is "sixteen trillion, thirty billion, five million, five hundred five thousand, four hundred seventy-seven".