3201616616 has 16 divisors (see below), whose sum is σ = 6548761440. Its totient is φ = 1455280240.

The previous prime is 3201616571. The next prime is 3201616631. The reversal of 3201616616 is 6166161023.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18190916 + ... + 18191091.

It is an arithmetic number, because the mean of its divisors is an integer number (409297590).

Almost surely, 2^3201616616 is an apocalyptic number.

It is an amenable number.

3201616616 is an abundant number, since it is smaller than the sum of its proper divisors (3347144824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3201616616 is a wasteful number, since it uses less digits than its factorization.

3201616616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36382024 (or 36382020 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 3201616616 is about 56582.8296924076. The cubic root of 3201616616 is about 1473.8607103573.

Adding to 3201616616 its reverse (6166161023), we get a palindrome (9367777639).

The spelling of 3201616616 in words is "three billion, two hundred one million, six hundred sixteen thousand, six hundred sixteen".