3216161632 has 24 divisors (see below), whose sum is σ = 6333081552. Its totient is φ = 1607760000.

The previous prime is 3216161623. The next prime is 3216161659. The reversal of 3216161632 is 2361616123.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3216161594 and 3216161603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311757 + ... + 321907.

It is an arithmetic number, because the mean of its divisors is an integer number (263878398).

Almost surely, 2^3216161632 is an apocalyptic number.

3216161632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3216161632 is a deficient number, since it is larger than the sum of its proper divisors (3116919920).

3216161632 is a wasteful number, since it uses less digits than its factorization.

3216161632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20062 (or 20054 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 3216161632 is about 56711.2125774084. The cubic root of 3216161632 is about 1476.0892663701.

Adding to 3216161632 its reverse (2361616123), we get a palindrome (5577777755).

The spelling of 3216161632 in words is "three billion, two hundred sixteen million, one hundred sixty-one thousand, six hundred thirty-two".