378128191316 has 12 divisors (see below), whose sum is σ = 671600817888. Its totient is φ = 186242243352.

The previous prime is 378128191297. The next prime is 378128191373. The reversal of 378128191316 is 613191821873.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705462776 + ... + 705463311.

It is an arithmetic number, because the mean of its divisors is an integer number (55966734824).

Almost surely, 2^378128191316 is an apocalyptic number.

It is an amenable number.

378128191316 is a deficient number, since it is larger than the sum of its proper divisors (293472626572).

378128191316 is a wasteful number, since it uses less digits than its factorization.

378128191316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410926158 (or 1410926156 counting only the distinct ones).

The product of its digits is 435456, while the sum is 50.

The spelling of 378128191316 in words is "three hundred seventy-eight billion, one hundred twenty-eight million, one hundred ninety-one thousand, three hundred sixteen".