8372106661187 has 8 divisors (see below), whose sum is σ = 8486921701104. Its totient is φ = 8257295098368.

The previous prime is 8372106661181. The next prime is 8372106661253. The reversal of 8372106661187 is 7811666012738.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8372106661187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8372106661181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4178963 + ... + 5848755.

It is an arithmetic number, because the mean of its divisors is an integer number (1060865212638).

Almost surely, 2^{8372106661187} is an apocalyptic number.

8372106661187 is a deficient number, since it is larger than the sum of its proper divisors (114815039917).

8372106661187 is a wasteful number, since it uses less digits than its factorization.

8372106661187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738549.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 8372106661187 in words is "eight trillion, three hundred seventy-two billion, one hundred six million, six hundred sixty-one thousand, one hundred eighty-seven".