378166847685 has 16 divisors (see below), whose sum is σ = 660073043520. Its totient is φ = 183353623040.

The previous prime is 378166847671. The next prime is 378166847693. The reversal of 378166847685 is 586748661873.

It is not a de Polignac number, because 378166847685 - 2⁶ = 378166847621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1145959980 + ... + 1145960309.

It is an arithmetic number, because the mean of its divisors is an integer number (41254565220).

Almost surely, 2^378166847685 is an apocalyptic number.

It is an amenable number.

378166847685 is a deficient number, since it is larger than the sum of its proper divisors (281906195835).

378166847685 is a wasteful number, since it uses less digits than its factorization.

378166847685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291920308.

The product of its digits is 325140480, while the sum is 69.

The spelling of 378166847685 in words is "three hundred seventy-eight billion, one hundred sixty-six million, eight hundred forty-seven thousand, six hundred eighty-five".