378219622164 has 48 divisors (see below), whose sum is σ = 898849022400. Its totient is φ = 123759795456.

The previous prime is 378219622117. The next prime is 378219622171. The reversal of 378219622164 is 461226912873.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125427 + ... + 1422330.

It is an arithmetic number, because the mean of its divisors is an integer number (18726021300).

Almost surely, 2^378219622164 is an apocalyptic number.

It is an amenable number.

378219622164 is an abundant number, since it is smaller than the sum of its proper divisors (520629400236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378219622164 is a wasteful number, since it uses less digits than its factorization.

378219622164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547992 (or 2547990 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The spelling of 378219622164 in words is "three hundred seventy-eight billion, two hundred nineteen million, six hundred twenty-two thousand, one hundred sixty-four".