1600099 has 2 divisors, whose sum is σ = 1600100. Its totient is φ = 1600098.

The previous prime is 1600097. The next prime is 1600121. The reversal of 1600099 is 9900061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1600099 - 2¹ = 1600097 is a prime.

Together with 1600097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1600097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800049 + 800050.

It is an arithmetic number, because the mean of its divisors is an integer number (800050).

2^1600099 is an apocalyptic number.

1600099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1600099 is an equidigital number, since it uses as much as digits as its factorization.

1600099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 1600099 is about 1264.9501966481. The cubic root of 1600099 is about 116.9631217934.

The spelling of 1600099 in words is "one million, six hundred thousand, ninety-nine".