378680941658 has 16 divisors (see below), whose sum is σ = 568974187080. Its totient is φ = 189023016000.

The previous prime is 378680941637. The next prime is 378680941729. The reversal of 378680941658 is 856149086873.

It can be written as a sum of positive squares in 4 ways, for example, as 351562427329 + 27118514329 = 592927^2 + 164677^2 .

It is a junction number, because it is equal to n+sod(n) for n = 378680941594 and 378680941603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5942228 + ... + 6005616.

Almost surely, 2^378680941658 is an apocalyptic number.

378680941658 is a deficient number, since it is larger than the sum of its proper divisors (190293245422).

378680941658 is a wasteful number, since it uses less digits than its factorization.

378680941658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68353.

The product of its (nonzero) digits is 69672960, while the sum is 65.

The spelling of 378680941658 in words is "three hundred seventy-eight billion, six hundred eighty million, nine hundred forty-one thousand, six hundred fifty-eight".