378166847684 has 24 divisors (see below), whose sum is σ = 662828624640. Its totient is φ = 188787335744.

The previous prime is 378166847671. The next prime is 378166847693. The reversal of 378166847684 is 486748661873.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29740112 + ... + 29752824.

It is an arithmetic number, because the mean of its divisors is an integer number (27617859360).

Almost surely, 2^378166847684 is an apocalyptic number.

It is an amenable number.

378166847684 is a deficient number, since it is larger than the sum of its proper divisors (284661776956).

378166847684 is a wasteful number, since it uses less digits than its factorization.

378166847684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23779 (or 23777 counting only the distinct ones).

The product of its digits is 260112384, while the sum is 68.

The spelling of 378166847684 in words is "three hundred seventy-eight billion, one hundred sixty-six million, eight hundred forty-seven thousand, six hundred eighty-four".