16610726533 has 2 divisors, whose sum is σ = 16610726534. Its totient is φ = 16610726532.

The previous prime is 16610726521. The next prime is 16610726543. The reversal of 16610726533 is 33562701661.

16610726533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14519768004 + 2090958529 = 120498^2 + 45727^2 .

It is a cyclic number.

It is not a de Polignac number, because 16610726533 - 2⁹ = 16610726021 is a prime.

It is a super-2 number, since 2×16610726533² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16610726543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8305363266 + 8305363267.

It is an arithmetic number, because the mean of its divisors is an integer number (8305363267).

Almost surely, 2^16610726533 is an apocalyptic number.

It is an amenable number.

16610726533 is a deficient number, since it is larger than the sum of its proper divisors (1).

16610726533 is an equidigital number, since it uses as much as digits as its factorization.

16610726533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 16610726533 in words is "sixteen billion, six hundred ten million, seven hundred twenty-six thousand, five hundred thirty-three".