378681116544 has 96 divisors (see below), whose sum is σ = 1127270125800. Its totient is φ = 121874371584.

The previous prime is 378681116543. The next prime is 378681116557. The reversal of 378681116544 is 445611186873.

378681116544 is a `hidden beast` number, since 3 + 7 + 8 + 6 + 81 + 1 + 16 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378681116543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5634114 + ... + 5700929.

Almost surely, 2^378681116544 is an apocalyptic number.

It is an amenable number.

378681116544 is an abundant number, since it is smaller than the sum of its proper divisors (748589009256).

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

378681116544 is a wasteful number, since it uses less digits than its factorization.

378681116544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11335092 (or 11335077 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 378681116544 in words is "three hundred seventy-eight billion, six hundred eighty-one million, one hundred sixteen thousand, five hundred forty-four".