1606412173 has 2 divisors, whose sum is σ = 1606412174. Its totient is φ = 1606412172.

The previous prime is 1606412131. The next prime is 1606412183. The reversal of 1606412173 is 3712146061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1075708804 + 530703369 = 32798^2 + 23037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1606412173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606412123) 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, 803206086 + 803206087.

It is an arithmetic number, because the mean of its divisors is an integer number (803206087).

Almost surely, 2^1606412173 is an apocalyptic number.

It is an amenable number.

1606412173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606412173 is an equidigital number, since it uses as much as digits as its factorization.

1606412173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1606412173 is about 40080.0720183984. The cubic root of 1606412173 is about 1171.1674550004.

The spelling of 1606412173 in words is "one billion, six hundred six million, four hundred twelve thousand, one hundred seventy-three".