1606406383 has 2 divisors, whose sum is σ = 1606406384. Its totient is φ = 1606406382.

The previous prime is 1606406369. The next prime is 1606406419. The reversal of 1606406383 is 3836046061.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1606406383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606406353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803203191 + 803203192.

It is an arithmetic number, because the mean of its divisors is an integer number (803203192).

Almost surely, 2^1606406383 is an apocalyptic number.

1606406383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606406383 is an equidigital number, since it uses as much as digits as its factorization.

1606406383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 1606406383 is about 40079.9997879242. Note that the first 3 decimals coincide. The cubic root of 1606406383 is about 1171.1660479170.

The spelling of 1606406383 in words is "one billion, six hundred six million, four hundred six thousand, three hundred eighty-three".