18673675672537 has 8 divisors (see below), whose sum is σ = 18702867689280. Its totient is φ = 18644491696560.

The previous prime is 18673675672471. The next prime is 18673675672571. The reversal of 18673675672537 is 73527657637681.

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-18673675672537 is a prime.

It is a super-4 number, since 4×18673675672537⁴ (a number of 54 digits) contains 4444 as substring.

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 18673675672537.

It is not an unprimeable number, because it can be changed into a prime (18673675672577) 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, 2646612 + ... + 6659722.

It is an arithmetic number, because the mean of its divisors is an integer number (2337858461160).

Almost surely, 2^{18673675672537} is an apocalyptic number.

It is an amenable number.

18673675672537 is a deficient number, since it is larger than the sum of its proper divisors (29192016743).

18673675672537 is an equidigital number, since it uses as much as digits as its factorization.

18673675672537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020383.

The product of its digits is 1867017600, while the sum is 73.

The spelling of 18673675672537 in words is "eighteen trillion, six hundred seventy-three billion, six hundred seventy-five million, six hundred seventy-two thousand, five hundred thirty-seven".