16214369657 has 2 divisors, whose sum is σ = 16214369658. Its totient is φ = 16214369656.

The previous prime is 16214369621. The next prime is 16214369711. The reversal of 16214369657 is 75696341261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9036213481 + 7178156176 = 95059^2 + 84724^2 .

It is a cyclic number.

It is not a de Polignac number, because 16214369657 - 2¹⁰ = 16214368633 is a prime.

It is not a weakly prime, because it can be changed into another prime (16214369057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8107184828 + 8107184829.

It is an arithmetic number, because the mean of its divisors is an integer number (8107184829).

Almost surely, 2^16214369657 is an apocalyptic number.

It is an amenable number.

16214369657 is a deficient number, since it is larger than the sum of its proper divisors (1).

16214369657 is an equidigital number, since it uses as much as digits as its factorization.

16214369657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 50.

The spelling of 16214369657 in words is "sixteen billion, two hundred fourteen million, three hundred sixty-nine thousand, six hundred fifty-seven".