16500625412533 has 2 divisors, whose sum is σ = 16500625412534. Its totient is φ = 16500625412532.

The previous prime is 16500625412497. The next prime is 16500625412561. The reversal of 16500625412533 is 33521452600561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10434566746564 + 6066058665969 = 3230258^2 + 2462937^2 .

It is an emirp because it is prime and its reverse (33521452600561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16500625412533 - 2⁹ = 16500625412021 is a prime.

It is a super-3 number, since 3×16500625412533³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16500625412533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16500625412333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8250312706266 + 8250312706267.

It is an arithmetic number, because the mean of its divisors is an integer number (8250312706267).

Almost surely, 2^{16500625412533} is an apocalyptic number.

It is an amenable number.

16500625412533 is a deficient number, since it is larger than the sum of its proper divisors (1).

16500625412533 is an equidigital number, since it uses as much as digits as its factorization.

16500625412533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 16500625412533 in words is "sixteen trillion, five hundred billion, six hundred twenty-five million, four hundred twelve thousand, five hundred thirty-three".