1604343107 has 2 divisors, whose sum is σ = 1604343108. Its totient is φ = 1604343106.

The previous prime is 1604343001. The next prime is 1604343179. The reversal of 1604343107 is 7013434061.

It is a strong prime.

It is an emirp because it is prime and its reverse (7013434061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1604343107 - 2¹⁸ = 1604080963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1604343107.

It is not a weakly prime, because it can be changed into another prime (1604342107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802171553 + 802171554.

It is an arithmetic number, because the mean of its divisors is an integer number (802171554).

Almost surely, 2^1604343107 is an apocalyptic number.

1604343107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604343107 is an equidigital number, since it uses as much as digits as its factorization.

1604343107 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 29.

The square root of 1604343107 is about 40054.2520464432. The cubic root of 1604343107 is about 1170.6644160085.

Adding to 1604343107 its reverse (7013434061), we get a palindrome (8617777168).

The spelling of 1604343107 in words is "one billion, six hundred four million, three hundred forty-three thousand, one hundred seven".