1601616032 has 24 divisors (see below), whose sum is σ = 3173275476. Its totient is φ = 795704832.

The previous prime is 1601616013. The next prime is 1601616041. The reversal of 1601616032 is 2306161061.

It can be written as a sum of positive squares in 2 ways, for example, as 1520688016 + 80928016 = 38996^2 + 8996^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1601615992 and 1601616010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154373 + ... + 164420.

Almost surely, 2^1601616032 is an apocalyptic number.

It is an amenable number.

1601616032 is a deficient number, since it is larger than the sum of its proper divisors (1571659444).

1601616032 is a wasteful number, since it uses less digits than its factorization.

1601616032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318960 (or 318952 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1601616032 is about 40020.1953018723. The cubic root of 1601616032 is about 1170.0007383052. Note that the first 3 decimals are identical.

Adding to 1601616032 its reverse (2306161061), we get a palindrome (3907777093).

The spelling of 1601616032 in words is "one billion, six hundred one million, six hundred sixteen thousand, thirty-two".