8199162642724 has 27 divisors (see below), whose sum is σ = 14379720372283. Its totient is φ = 4090690408472.

The previous prime is 8199162642721. The next prime is 8199162642733. The reversal of 8199162642724 is 4272462619918.

The square root of 8199162642724 is 2863418.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8199162642721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3224207397 + ... + 3224209939.

Almost surely, 2^{8199162642724} is an apocalyptic number.

8199162642724 is the 2863418-th square number.

It is an amenable number.

8199162642724 is a deficient number, since it is larger than the sum of its proper divisors (6180557729559).

8199162642724 is an frugal number, since it uses more digits than its factorization.

8199162642724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6216 (or 3108 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 61.

The spelling of 8199162642724 in words is "eight trillion, one hundred ninety-nine billion, one hundred sixty-two million, six hundred forty-two thousand, seven hundred twenty-four".