3165388943616 has 216 divisors, whose sum is σ = 9324782288640. Its totient is φ = 1032236679168.

The previous prime is 3165388943603. The next prime is 3165388943701. The reversal of 3165388943616 is 6163498835613.

3165388943616 is a `hidden beast` number, since 3 + 1 + 6 + 5 + 3 + 8 + 8 + 9 + 4 + 3 + 616 = 666.

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 23 ways as a sum of consecutive naturals, for example, 334496901 + ... + 334506363.

Almost surely, 2^{3165388943616} is an apocalyptic number.

3165388943616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3165388943616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4662391144320).

3165388943616 is an abundant number, since it is smaller than the sum of its proper divisors (6159393345024).

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

3165388943616 is a wasteful number, since it uses less digits than its factorization.

3165388943616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12621 (or 12604 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 63.

The spelling of 3165388943616 in words is "three trillion, one hundred sixty-five billion, three hundred eighty-eight million, nine hundred forty-three thousand, six hundred sixteen".