1343845437816 has 64 divisors (see below), whose sum is σ = 3943330260480. Its totient is φ = 373578652800.

The previous prime is 1343845437791. The next prime is 1343845437827. The reversal of 1343845437816 is 6187345483431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108089460 + ... + 108101891.

It is an arithmetic number, because the mean of its divisors is an integer number (61614535320).

Almost surely, 2^{1343845437816} is an apocalyptic number.

It is an amenable number.

1343845437816 is an abundant number, since it is smaller than the sum of its proper divisors (2599484822664).

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

1343845437816 is a wasteful number, since it uses less digits than its factorization.

1343845437816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216191404 (or 216191400 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 57.

The spelling of 1343845437816 in words is "one trillion, three hundred forty-three billion, eight hundred forty-five million, four hundred thirty-seven thousand, eight hundred sixteen".