3318849378816 has 80 divisors (see below), whose sum is σ = 9361717668864. Its totient is φ = 1041207640064.

The previous prime is 3318849378797. The next prime is 3318849378869. The reversal of 3318849378816 is 6188739488133.

It is a super-2 number, since 2×3318849378816² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63524160 + ... + 63576383.

Almost surely, 2^{3318849378816} is an apocalyptic number.

It is an amenable number.

3318849378816 is an abundant number, since it is smaller than the sum of its proper divisors (6042868290048).

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

3318849378816 is a wasteful number, since it uses less digits than its factorization.

3318849378816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127100581 (or 127100565 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 69.

The spelling of 3318849378816 in words is "three trillion, three hundred eighteen billion, eight hundred forty-nine million, three hundred seventy-eight thousand, eight hundred sixteen".