16205233241 has 2 divisors, whose sum is σ = 16205233242. Its totient is φ = 16205233240.

The previous prime is 16205233193. The next prime is 16205233279. The reversal of 16205233241 is 14233250261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13433737216 + 2771496025 = 115904^2 + 52645^2 .

It is a cyclic number.

It is not a de Polignac number, because 16205233241 - 2¹⁰ = 16205232217 is a prime.

It is a super-2 number, since 2×16205233241² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16205239241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8102616620 + 8102616621.

It is an arithmetic number, because the mean of its divisors is an integer number (8102616621).

Almost surely, 2^16205233241 is an apocalyptic number.

It is an amenable number.

16205233241 is a deficient number, since it is larger than the sum of its proper divisors (1).

16205233241 is an equidigital number, since it uses as much as digits as its factorization.

16205233241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 16205233241 in words is "sixteen billion, two hundred five million, two hundred thirty-three thousand, two hundred forty-one".