1604166367 has 2 divisors, whose sum is σ = 1604166368. Its totient is φ = 1604166366.

The previous prime is 1604166307. The next prime is 1604166373. The reversal of 1604166367 is 7636614061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1604166367 - 2²³ = 1595777759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1604166307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802083183 + 802083184.

It is an arithmetic number, because the mean of its divisors is an integer number (802083184).

Almost surely, 2^1604166367 is an apocalyptic number.

1604166367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604166367 is an equidigital number, since it uses as much as digits as its factorization.

1604166367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 1604166367 is about 40052.0457280274. The cubic root of 1604166367 is about 1170.6214262793.

The spelling of 1604166367 in words is "one billion, six hundred four million, one hundred sixty-six thousand, three hundred sixty-seven".