1600616825 has 6 divisors (see below), whose sum is σ = 1984764894. Its totient is φ = 1280493440.

The previous prime is 1600616789. The next prime is 1600616833. The reversal of 1600616825 is 5286160061.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 66797929 + 1533818896 = 8173^2 + 39164^2 .

It is not a de Polignac number, because 1600616825 - 2²⁶ = 1533507961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32012312 + ... + 32012361.

It is an arithmetic number, because the mean of its divisors is an integer number (330794149).

Almost surely, 2^1600616825 is an apocalyptic number.

It is an amenable number.

1600616825 is a deficient number, since it is larger than the sum of its proper divisors (384148069).

1600616825 is an equidigital number, since it uses as much as digits as its factorization.

1600616825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64024683 (or 64024678 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1600616825 is about 40007.7095695317. The cubic root of 1600616825 is about 1169.7573765783.

Adding to 1600616825 its reverse (5286160061), we get a palindrome (6886776886).

The spelling of 1600616825 in words is "one billion, six hundred million, six hundred sixteen thousand, eight hundred twenty-five".