814066681348 has 6 divisors (see below), whose sum is σ = 1424616692366. Its totient is φ = 407033340672.

The previous prime is 814066681313. The next prime is 814066681357. The reversal of 814066681348 is 843186660418.

It can be written as a sum of positive squares in only one way, i.e., 654947066944 + 159119614404 = 809288^2 + 398898^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101758335165 + ... + 101758335172.

Almost surely, 2^814066681348 is an apocalyptic number.

It is an amenable number.

814066681348 is a deficient number, since it is larger than the sum of its proper divisors (610550011018).

814066681348 is a wasteful number, since it uses less digits than its factorization.

814066681348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203516670341 (or 203516670339 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 814066681348 in words is "eight hundred fourteen billion, sixty-six million, six hundred eighty-one thousand, three hundred forty-eight".