8161475 has 24 divisors (see below), whose sum is σ = 11680800. Its totient is φ = 5541120.

The previous prime is 8161453. The next prime is 8161477. The reversal of 8161475 is 5741618.

It is a happy number.

It is not a de Polignac number, because 8161475 - 2¹² = 8157379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8161477) 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 in 23 ways as a sum of consecutive naturals, for example, 25919 + ... + 26231.

It is an arithmetic number, because the mean of its divisors is an integer number (486700).

Almost surely, 2^8161475 is an apocalyptic number.

8161475 is a deficient number, since it is larger than the sum of its proper divisors (3519325).

8161475 is a wasteful number, since it uses less digits than its factorization.

8161475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 474 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 8161475 is about 2856.8295363917. The cubic root of 8161475 is about 201.3366716428.

The spelling of 8161475 in words is "eight million, one hundred sixty-one thousand, four hundred seventy-five".