375564161 has 4 divisors (see below), whose sum is σ = 429216192. Its totient is φ = 321912132.

The previous prime is 375564151. The next prime is 375564179. The reversal of 375564161 is 161465573.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161465573 = 71 ⋅2274163.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-375564161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (375564121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26826005 + ... + 26826018.

It is an arithmetic number, because the mean of its divisors is an integer number (107304048).

Almost surely, 2^375564161 is an apocalyptic number.

It is an amenable number.

375564161 is a deficient number, since it is larger than the sum of its proper divisors (53652031).

375564161 is an equidigital number, since it uses as much as digits as its factorization.

375564161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53652030.

The product of its digits is 75600, while the sum is 38.

The square root of 375564161 is about 19379.4778309427. The cubic root of 375564161 is about 721.4862310509.

The spelling of 375564161 in words is "three hundred seventy-five million, five hundred sixty-four thousand, one hundred sixty-one".