3216405116 has 24 divisors (see below), whose sum is σ = 5798389296. Its totient is φ = 1559986560.

The previous prime is 3216405107. The next prime is 3216405121. The reversal of 3216405116 is 6115046123.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16160 + ... + 81816.

It is an arithmetic number, because the mean of its divisors is an integer number (241599554).

Almost surely, 2^3216405116 is an apocalyptic number.

It is an amenable number.

3216405116 is a deficient number, since it is larger than the sum of its proper divisors (2581984180).

3216405116 is a wasteful number, since it uses less digits than its factorization.

3216405116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66029 (or 66027 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3216405116 is about 56713.3592374848. The cubic root of 3216405116 is about 1476.1265152287.

The spelling of 3216405116 in words is "three billion, two hundred sixteen million, four hundred five thousand, one hundred sixteen".