1346666681348 has 12 divisors (see below), whose sum is σ = 2459130461760. Its totient is φ = 644057977992.

The previous prime is 1346666681309. The next prime is 1346666681351. The reversal of 1346666681348 is 8431866666431.

It is a super-2 number, since 2×1346666681348² (a number of 25 digits) contains 22 as substring.

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, 7318840568 + ... + 7318840751.

It is an arithmetic number, because the mean of its divisors is an integer number (204927538480).

Almost surely, 2^{1346666681348} is an apocalyptic number.

It is an amenable number.

1346666681348 is a deficient number, since it is larger than the sum of its proper divisors (1112463780412).

1346666681348 is a wasteful number, since it uses less digits than its factorization.

1346666681348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14637681346 (or 14637681344 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 62.

The spelling of 1346666681348 in words is "one trillion, three hundred forty-six billion, six hundred sixty-six million, six hundred eighty-one thousand, three hundred forty-eight".