1606446047 has 2 divisors, whose sum is σ = 1606446048. Its totient is φ = 1606446046.

The previous prime is 1606446031. The next prime is 1606446077. The reversal of 1606446047 is 7406446061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1606446047 - 2⁴ = 1606446031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1606446047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606446077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803223023 + 803223024.

It is an arithmetic number, because the mean of its divisors is an integer number (803223024).

Almost surely, 2^1606446047 is an apocalyptic number.

1606446047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606446047 is an equidigital number, since it uses as much as digits as its factorization.

1606446047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 1606446047 is about 40080.4945952517. The cubic root of 1606446047 is about 1171.1756869781.

The spelling of 1606446047 in words is "one billion, six hundred six million, four hundred forty-six thousand, forty-seven".