16206222541 has 2 divisors, whose sum is σ = 16206222542. Its totient is φ = 16206222540.

The previous prime is 16206222491. The next prime is 16206222581. The reversal of 16206222541 is 14522260261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11826562500 + 4379660041 = 108750^2 + 66179^2 .

It is a cyclic number.

It is not a de Polignac number, because 16206222541 - 2⁷ = 16206222413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16206222581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8103111270 + 8103111271.

It is an arithmetic number, because the mean of its divisors is an integer number (8103111271).

Almost surely, 2^16206222541 is an apocalyptic number.

It is an amenable number.

16206222541 is a deficient number, since it is larger than the sum of its proper divisors (1).

16206222541 is an equidigital number, since it uses as much as digits as its factorization.

16206222541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 16206222541 in words is "sixteen billion, two hundred six million, two hundred twenty-two thousand, five hundred forty-one".