8172926670197 has 8 divisors (see below), whose sum is σ = 8455210508640. Its totient is φ = 7890673417200.

The previous prime is 8172926670109. The next prime is 8172926670229. The reversal of 8172926670197 is 7910766292718.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8172926670197 - 2²⁰ = 8172925621621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8172926670107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7102043 + ... + 8172200.

It is an arithmetic number, because the mean of its divisors is an integer number (1056901313580).

Almost surely, 2^{8172926670197} is an apocalyptic number.

It is an amenable number.

8172926670197 is a deficient number, since it is larger than the sum of its proper divisors (282283838443).

8172926670197 is a wasteful number, since it uses less digits than its factorization.

8172926670197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15292723.

The product of its (nonzero) digits is 32006016, while the sum is 65.

The spelling of 8172926670197 in words is "eight trillion, one hundred seventy-two billion, nine hundred twenty-six million, six hundred seventy thousand, one hundred ninety-seven".