1378879301668 has 24 divisors (see below), whose sum is σ = 2654161370784. Its totient is φ = 626763316520.

The previous prime is 1378879301659. The next prime is 1378879301699. The reversal of 1378879301668 is 8661039788731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129491230 + ... + 129501877.

It is an arithmetic number, because the mean of its divisors is an integer number (110590057116).

Almost surely, 2^{1378879301668} is an apocalyptic number.

It is an amenable number.

1378879301668 is a deficient number, since it is larger than the sum of its proper divisors (1275282069116).

1378879301668 is a wasteful number, since it uses less digits than its factorization.

1378879301668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258993144 (or 258993120 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 1378879301668 in words is "one trillion, three hundred seventy-eight billion, eight hundred seventy-nine million, three hundred one thousand, six hundred sixty-eight".