1606313011 has 2 divisors, whose sum is σ = 1606313012. Its totient is φ = 1606313010.

The previous prime is 1606312979. The next prime is 1606313057. The reversal of 1606313011 is 1103136061.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1606313011 - 2⁵ = 1606312979 is a prime.

It is a super-2 number, since 2×1606313011² = 5160482978615772242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1606313311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803156505 + 803156506.

It is an arithmetic number, because the mean of its divisors is an integer number (803156506).

Almost surely, 2^1606313011 is an apocalyptic number.

1606313011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606313011 is an equidigital number, since it uses as much as digits as its factorization.

1606313011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1606313011 is about 40078.8349506320. The cubic root of 1606313011 is about 1171.1433562253.

Adding to 1606313011 its reverse (1103136061), we get a palindrome (2709449072).

The spelling of 1606313011 in words is "one billion, six hundred six million, three hundred thirteen thousand, eleven".