12173098646 has 8 divisors (see below), whose sum is σ = 18282165384. Its totient is φ = 6079043520.

The previous prime is 12173098633. The next prime is 12173098661. The reversal of 12173098646 is 64689037121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12173098646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3750875 + ... + 3754118.

It is an arithmetic number, because the mean of its divisors is an integer number (2285270673).

Almost surely, 2^12173098646 is an apocalyptic number.

12173098646 is a deficient number, since it is larger than the sum of its proper divisors (6109066738).

12173098646 is an equidigital number, since it uses as much as digits as its factorization.

12173098646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505806.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 12173098646 in words is "twelve billion, one hundred seventy-three million, ninety-eight thousand, six hundred forty-six".