1606424971 has 2 divisors, whose sum is σ = 1606424972. Its totient is φ = 1606424970.

The previous prime is 1606424969. The next prime is 1606424983. The reversal of 1606424971 is 1794246061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1606424971 - 2¹ = 1606424969 is a prime.

Together with 1606424969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1606424951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803212485 + 803212486.

It is an arithmetic number, because the mean of its divisors is an integer number (803212486).

Almost surely, 2^1606424971 is an apocalyptic number.

1606424971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606424971 is an equidigital number, since it uses as much as digits as its factorization.

1606424971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1606424971 is about 40080.2316734821. The cubic root of 1606424971 is about 1171.1705651531.

The spelling of 1606424971 in words is "one billion, six hundred six million, four hundred twenty-four thousand, nine hundred seventy-one".