1599161 has 4 divisors (see below), whose sum is σ = 1618512. Its totient is φ = 1579812.

The previous prime is 1599151. The next prime is 1599181. The reversal of 1599161 is 1619951.

It is a happy number.

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: 1619951 = 41 ⋅39511.

It is a cyclic number.

It is not a de Polignac number, because 1599161 - 2¹⁰ = 1598137 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1599131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9551 + ... + 9716.

It is an arithmetic number, because the mean of its divisors is an integer number (404628).

2^1599161 is an apocalyptic number.

It is an amenable number.

1599161 is a deficient number, since it is larger than the sum of its proper divisors (19351).

1599161 is an equidigital number, since it uses as much as digits as its factorization.

1599161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19350.

The product of its digits is 2430, while the sum is 32.

The square root of 1599161 is about 1264.5793767099. The cubic root of 1599161 is about 116.9402621967.

The spelling of 1599161 in words is "one million, five hundred ninety-nine thousand, one hundred sixty-one".