378214165 has 16 divisors (see below), whose sum is σ = 519268608. Its totient is φ = 259059456.

The previous prime is 378214163. The next prime is 378214169. The reversal of 378214165 is 561412873.

It is a cyclic number.

It is not a de Polignac number, because 378214165 - 2¹ = 378214163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378214163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28909 + ... + 39901.

It is an arithmetic number, because the mean of its divisors is an integer number (32454288).

Almost surely, 2^378214165 is an apocalyptic number.

378214165 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

378214165 is a deficient number, since it is larger than the sum of its proper divisors (141054443).

378214165 is a wasteful number, since it uses less digits than its factorization.

378214165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11988.

The product of its digits is 40320, while the sum is 37.

The square root of 378214165 is about 19447.7290448011. The cubic root of 378214165 is about 723.1792058838.

The spelling of 378214165 in words is "three hundred seventy-eight million, two hundred fourteen thousand, one hundred sixty-five".