16200066529 has 2 divisors, whose sum is σ = 16200066530. Its totient is φ = 16200066528.

The previous prime is 16200066511. The next prime is 16200066593. The reversal of 16200066529 is 92566000261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15731430625 + 468635904 = 125425^2 + 21648^2 .

It is a cyclic number.

It is not a de Polignac number, because 16200066529 - 2²⁵ = 16166512097 is a prime.

It is a super-2 number, since 2×16200066529² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16200066929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8100033264 + 8100033265.

It is an arithmetic number, because the mean of its divisors is an integer number (8100033265).

Almost surely, 2^16200066529 is an apocalyptic number.

It is an amenable number.

16200066529 is a deficient number, since it is larger than the sum of its proper divisors (1).

16200066529 is an equidigital number, since it uses as much as digits as its factorization.

16200066529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 16200066529 in words is "sixteen billion, two hundred million, sixty-six thousand, five hundred twenty-nine".