1606214047237 has 2 divisors, whose sum is σ = 1606214047238. Its totient is φ = 1606214047236.

The previous prime is 1606214047231. The next prime is 1606214047343. The reversal of 1606214047237 is 7327404126061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1522918892356 + 83295154881 = 1234066^2 + 288609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1606214047237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1606214047193 and 1606214047202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606214047231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803107023618 + 803107023619.

It is an arithmetic number, because the mean of its divisors is an integer number (803107023619).

Almost surely, 2^{1606214047237} is an apocalyptic number.

It is an amenable number.

1606214047237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606214047237 is an equidigital number, since it uses as much as digits as its factorization.

1606214047237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 1606214047237 in words is "one trillion, six hundred six billion, two hundred fourteen million, forty-seven thousand, two hundred thirty-seven".