378566167 has 4 divisors (see below), whose sum is σ = 432647056. Its totient is φ = 324485280.

The previous prime is 378566143. The next prime is 378566171. The reversal of 378566167 is 761665873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 761665873 = 1181 ⋅644933.

It is not a de Polignac number, because 378566167 - 2²³ = 370177559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378566167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378566137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27040434 + ... + 27040447.

It is an arithmetic number, because the mean of its divisors is an integer number (108161764).

Almost surely, 2^378566167 is an apocalyptic number.

378566167 is a deficient number, since it is larger than the sum of its proper divisors (54080889).

378566167 is an equidigital number, since it uses as much as digits as its factorization.

378566167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54080888.

The product of its digits is 1270080, while the sum is 49.

The square root of 378566167 is about 19456.7768913559. The cubic root of 378566167 is about 723.4034893881.

The spelling of 378566167 in words is "three hundred seventy-eight million, five hundred sixty-six thousand, one hundred sixty-seven".