8196321528651 has 4 divisors (see below), whose sum is σ = 10928428704872. Its totient is φ = 5464214352432.

The previous prime is 8196321528643. The next prime is 8196321528701. The reversal of 8196321528651 is 1568251236918.

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

It is not a de Polignac number, because 8196321528651 - 2³ = 8196321528643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8196321528591 and 8196321528600.

It is not an unprimeable number, because it can be changed into a prime (8196321578651) 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, 1366053588106 + ... + 1366053588111.

It is an arithmetic number, because the mean of its divisors is an integer number (2732107176218).

Almost surely, 2^{8196321528651} is an apocalyptic number.

8196321528651 is a deficient number, since it is larger than the sum of its proper divisors (2732107176221).

8196321528651 is a wasteful number, since it uses less digits than its factorization.

8196321528651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732107176220.

The product of its digits is 6220800, while the sum is 57.

The spelling of 8196321528651 in words is "eight trillion, one hundred ninety-six billion, three hundred twenty-one million, five hundred twenty-eight thousand, six hundred fifty-one".