16214207257 has 2 divisors, whose sum is σ = 16214207258. Its totient is φ = 16214207256.

The previous prime is 16214207203. The next prime is 16214207263. The reversal of 16214207257 is 75270241261.

16214207257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13898287881 + 2315919376 = 117891^2 + 48124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16214207257 is a prime.

It is not a weakly prime, because it can be changed into another prime (16214207287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8107103628 + 8107103629.

It is an arithmetic number, because the mean of its divisors is an integer number (8107103629).

Almost surely, 2^16214207257 is an apocalyptic number.

It is an amenable number.

16214207257 is a deficient number, since it is larger than the sum of its proper divisors (1).

16214207257 is an equidigital number, since it uses as much as digits as its factorization.

16214207257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 16214207257 in words is "sixteen billion, two hundred fourteen million, two hundred seven thousand, two hundred fifty-seven".