378161744 has 10 divisors (see below), whose sum is σ = 732688410. Its totient is φ = 189080864.

The previous prime is 378161743. The next prime is 378161747. The reversal of 378161744 is 447161873.

It can be written as a sum of positive squares in only one way, i.e., 250019344 + 128142400 = 15812^2 + 11320^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378161743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11817539 + ... + 11817570.

It is an arithmetic number, because the mean of its divisors is an integer number (73268841).

Almost surely, 2^378161744 is an apocalyptic number.

It is an amenable number.

378161744 is a deficient number, since it is larger than the sum of its proper divisors (354526666).

378161744 is a wasteful number, since it uses less digits than its factorization.

378161744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23635117 (or 23635111 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 378161744 is about 19446.3812571902. The cubic root of 378161744 is about 723.1457931314.

The spelling of 378161744 in words is "three hundred seventy-eight million, one hundred sixty-one thousand, seven hundred forty-four".