1346778912468 has 24 divisors (see below), whose sum is σ = 3428164504800. Its totient is φ = 408114821920.

The previous prime is 1346778912463. The next prime is 1346778912469. The reversal of 1346778912468 is 8642198776431.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 1346778912399 and 1346778912408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346778912463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5101435143 + ... + 5101435406.

It is an arithmetic number, because the mean of its divisors is an integer number (142840187700).

Almost surely, 2^{1346778912468} is an apocalyptic number.

It is an amenable number.

1346778912468 is an abundant number, since it is smaller than the sum of its proper divisors (2081385592332).

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

1346778912468 is a wasteful number, since it uses less digits than its factorization.

1346778912468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202870567 (or 10202870565 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 66.

The spelling of 1346778912468 in words is "one trillion, three hundred forty-six billion, seven hundred seventy-eight million, nine hundred twelve thousand, four hundred sixty-eight".