3216615861796 has 12 divisors (see below), whose sum is σ = 5629096797660. Its totient is φ = 1608302491040.

The previous prime is 3216615861761. The next prime is 3216615861839. The reversal of 3216615861796 is 6971685166123.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 949591780900 + 2267024080896 = 974470^2 + 1505664^2 .

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, 158970 + ... + 2541358.

It is an arithmetic number, because the mean of its divisors is an integer number (469091399805).

Almost surely, 2^{3216615861796} is an apocalyptic number.

It is an amenable number.

3216615861796 is a deficient number, since it is larger than the sum of its proper divisors (2412480935864).

3216615861796 is a wasteful number, since it uses less digits than its factorization.

3216615861796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719934 (or 2719932 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 61.

The spelling of 3216615861796 in words is "three trillion, two hundred sixteen billion, six hundred fifteen million, eight hundred sixty-one thousand, seven hundred ninety-six".