3347431380816 has 160 divisors (see below), whose sum is σ = 9036724469760. Its totient is φ = 1066413583872.

The previous prime is 3347431380803. The next prime is 3347431380823. The reversal of 3347431380816 is 6180831347433.

It is a super-2 number, since 2×3347431380816² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78293941 + ... + 78336683.

It is an arithmetic number, because the mean of its divisors is an integer number (56479527936).

Almost surely, 2^{3347431380816} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3347431380816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4518362234880).

3347431380816 is an abundant number, since it is smaller than the sum of its proper divisors (5689293088944).

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

3347431380816 is a wasteful number, since it uses less digits than its factorization.

3347431380816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43353 (or 43347 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 3347431380816 in words is "three trillion, three hundred forty-seven billion, four hundred thirty-one million, three hundred eighty thousand, eight hundred sixteen".