3195678221316 has 243 divisors, whose sum is σ = 9716794023573. Its totient is φ = 882954112320.

The previous prime is 3195678221311. The next prime is 3195678221321. The reversal of 3195678221316 is 6131228765913.

It is a happy number.

The square root of 3195678221316 is 1787646.

It is a perfect power (a square), and thus also a powerful number.

3195678221316 is a `hidden beast` number, since 3 + 195 + 67 + 82 + 2 + 1 + 316 = 666.

It is an interprime number because it is at equal distance from previous prime (3195678221311) and next prime (3195678221321).

It can be written as a sum of positive squares in only one way, i.e., 3158546472900 + 37131748416 = 1777230^2 + 192696^2 .

It is not an unprimeable number, because it can be changed into a prime (3195678221311) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2327514406 + ... + 2327515778.

Almost surely, 2^{3195678221316} is an apocalyptic number.

3195678221316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

3195678221316 is the 1787646-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3195678221316

3195678221316 is an abundant number, since it is smaller than the sum of its proper divisors (6521115802257).

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

3195678221316 is a wasteful number, since it uses less digits than its factorization.

3195678221316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832 (or 1416 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 3195678221316 in words is "three trillion, one hundred ninety-five billion, six hundred seventy-eight million, two hundred twenty-one thousand, three hundred sixteen".