1606272138343 has 2 divisors, whose sum is σ = 1606272138344. Its totient is φ = 1606272138342.

The previous prime is 1606272138337. The next prime is 1606272138377. The reversal of 1606272138343 is 3438312726061.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1606272138343 is a prime.

It is a super-2 number, since 2×1606272138343² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1606272138293 and 1606272138302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606272138313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803136069171 + 803136069172.

It is an arithmetic number, because the mean of its divisors is an integer number (803136069172).

Almost surely, 2^{1606272138343} is an apocalyptic number.

1606272138343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606272138343 is an equidigital number, since it uses as much as digits as its factorization.

1606272138343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 1606272138343 in words is "one trillion, six hundred six billion, two hundred seventy-two million, one hundred thirty-eight thousand, three hundred forty-three".