16532571233 has 2 divisors, whose sum is σ = 16532571234. Its totient is φ = 16532571232.

The previous prime is 16532571229. The next prime is 16532571239. The reversal of 16532571233 is 33217523561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10888505104 + 5644066129 = 104348^2 + 75127^2 .

It is a cyclic number.

It is not a de Polignac number, because 16532571233 - 2² = 16532571229 is a prime.

It is not a weakly prime, because it can be changed into another prime (16532571239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8266285616 + 8266285617.

It is an arithmetic number, because the mean of its divisors is an integer number (8266285617).

Almost surely, 2^16532571233 is an apocalyptic number.

It is an amenable number.

16532571233 is a deficient number, since it is larger than the sum of its proper divisors (1).

16532571233 is an equidigital number, since it uses as much as digits as its factorization.

16532571233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 38.

The spelling of 16532571233 in words is "sixteen billion, five hundred thirty-two million, five hundred seventy-one thousand, two hundred thirty-three".