378545665652 has 36 divisors (see below), whose sum is σ = 840666353184. Its totient is φ = 147485323440.

The previous prime is 378545665651. The next prime is 378545665657. The reversal of 378545665652 is 256566545873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378545665651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87786728 + ... + 87791039.

It is an arithmetic number, because the mean of its divisors is an integer number (23351843144).

Almost surely, 2^378545665652 is an apocalyptic number.

It is an amenable number.

378545665652 is an abundant number, since it is smaller than the sum of its proper divisors (462120687532).

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

378545665652 is a wasteful number, since it uses less digits than its factorization.

378545665652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175577796 (or 175577787 counting only the distinct ones).

The product of its digits is 181440000, while the sum is 62.

The spelling of 378545665652 in words is "three hundred seventy-eight billion, five hundred forty-five million, six hundred sixty-five thousand, six hundred fifty-two".