1346668067408 has 20 divisors (see below), whose sum is σ = 2633106717780. Its totient is φ = 667156656384.

The previous prime is 1346668067399. The next prime is 1346668067453. The reversal of 1346668067408 is 8047608666431.

It can be written as a sum of positive squares in 2 ways, for example, as 1102861229584 + 243806837824 = 1050172^2 + 493768^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386084285 + ... + 386087772.

It is an arithmetic number, because the mean of its divisors is an integer number (131655335889).

Almost surely, 2^{1346668067408} is an apocalyptic number.

It is an amenable number.

1346668067408 is a deficient number, since it is larger than the sum of its proper divisors (1286438650372).

1346668067408 is a wasteful number, since it uses less digits than its factorization.

1346668067408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772172174 (or 772172168 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 59.

The spelling of 1346668067408 in words is "one trillion, three hundred forty-six billion, six hundred sixty-eight million, sixty-seven thousand, four hundred eight".