1600160009 has 4 divisors (see below), whose sum is σ = 1828754304. Its totient is φ = 1371565716.

The previous prime is 1600159987. The next prime is 1600160017. The reversal of 1600160009 is 9000610061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9000610061 = 19 ⋅473716319.

It is a cyclic number.

It is not a de Polignac number, because 1600160009 - 2²⁰ = 1599111433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1600160039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114297137 + ... + 114297150.

It is an arithmetic number, because the mean of its divisors is an integer number (457188576).

Almost surely, 2^1600160009 is an apocalyptic number.

It is an amenable number.

1600160009 is a deficient number, since it is larger than the sum of its proper divisors (228594295).

1600160009 is an equidigital number, since it uses as much as digits as its factorization.

1600160009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228594294.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1600160009 is about 40002.0000624969. Note that the first 4 decimals coincide. The cubic root of 1600160009 is about 1169.6460830817.

The spelling of 1600160009 in words is "one billion, six hundred million, one hundred sixty thousand, nine".