72186468611 has 12 divisors (see below), whose sum is σ = 72992963496. Its totient is φ = 71388739200.

The previous prime is 72186468589. The next prime is 72186468623. The reversal of 72186468611 is 11686468127.

It is not a de Polignac number, because 72186468611 - 2⁶ = 72186468547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72186468611.

It is not an unprimeable number, because it can be changed into a prime (72186468661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9962756 + ... + 9969998.

It is an arithmetic number, because the mean of its divisors is an integer number (6082746958).

Almost surely, 2^72186468611 is an apocalyptic number.

72186468611 is a deficient number, since it is larger than the sum of its proper divisors (806494885).

72186468611 is an equidigital number, since it uses as much as digits as its factorization.

72186468611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8422 (or 8321 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The spelling of 72186468611 in words is "seventy-two billion, one hundred eighty-six million, four hundred sixty-eight thousand, six hundred eleven".