1606081247 has 2 divisors, whose sum is σ = 1606081248. Its totient is φ = 1606081246.

The previous prime is 1606081193. The next prime is 1606081271. The reversal of 1606081247 is 7421806061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1606081247 - 2²⁸ = 1337645791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606086247) 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, 803040623 + 803040624.

It is an arithmetic number, because the mean of its divisors is an integer number (803040624).

Almost surely, 2^1606081247 is an apocalyptic number.

1606081247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606081247 is an equidigital number, since it uses as much as digits as its factorization.

1606081247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1606081247 is about 40075.9434948199. The cubic root of 1606081247 is about 1171.0870280746.

The spelling of 1606081247 in words is "one billion, six hundred six million, eighty-one thousand, two hundred forty-seven".