16204321207 has 2 divisors, whose sum is σ = 16204321208. Its totient is φ = 16204321206.

The previous prime is 16204321193. The next prime is 16204321291. The reversal of 16204321207 is 70212340261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16204321207 - 2¹⁵ = 16204288439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16204321807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8102160603 + 8102160604.

It is an arithmetic number, because the mean of its divisors is an integer number (8102160604).

Almost surely, 2^16204321207 is an apocalyptic number.

16204321207 is a deficient number, since it is larger than the sum of its proper divisors (1).

16204321207 is an equidigital number, since it uses as much as digits as its factorization.

16204321207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 16204321207 its reverse (70212340261), we get a palindrome (86416661468).

The spelling of 16204321207 in words is "sixteen billion, two hundred four million, three hundred twenty-one thousand, two hundred seven".