8161882 has 4 divisors (see below), whose sum is σ = 12242826. Its totient is φ = 4080940.

The previous prime is 8161859. The next prime is 8161889. The reversal of 8161882 is 2881618.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8071281 + 90601 = 2841^2 + 301^2 .

It is not an unprimeable number, because it can be changed into a prime (8161889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2040469 + ... + 2040472.

Almost surely, 2^8161882 is an apocalyptic number.

8161882 is a deficient number, since it is larger than the sum of its proper divisors (4080944).

8161882 is a wasteful number, since it uses less digits than its factorization.

8161882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080943.

The product of its digits is 6144, while the sum is 34.

The square root of 8161882 is about 2856.9007683152. The cubic root of 8161882 is about 201.3400183688.

The spelling of 8161882 in words is "eight million, one hundred sixty-one thousand, eight hundred eighty-two".