16530653233 has 2 divisors, whose sum is σ = 16530653234. Its totient is φ = 16530653232.

The previous prime is 16530653179. The next prime is 16530653261. The reversal of 16530653233 is 33235603561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14068806544 + 2461846689 = 118612^2 + 49617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16530653233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16530653192 and 16530653201.

It is not a weakly prime, because it can be changed into another prime (16530657233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8265326616 + 8265326617.

It is an arithmetic number, because the mean of its divisors is an integer number (8265326617).

Almost surely, 2^16530653233 is an apocalyptic number.

It is an amenable number.

16530653233 is a deficient number, since it is larger than the sum of its proper divisors (1).

16530653233 is an equidigital number, since it uses as much as digits as its factorization.

16530653233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 37.

The spelling of 16530653233 in words is "sixteen billion, five hundred thirty million, six hundred fifty-three thousand, two hundred thirty-three".