18016683962223 has 4 divisors (see below), whose sum is σ = 24022245282968. Its totient is φ = 12011122641480.

The previous prime is 18016683962209. The next prime is 18016683962243. The reversal of 18016683962223 is 32226938661081.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 18016683962223 - 2¹⁴ = 18016683945839 is a prime.

It is a super-2 number, since 2×18016683962223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18016683962243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002780660368 + ... + 3002780660373.

It is an arithmetic number, because the mean of its divisors is an integer number (6005561320742).

Almost surely, 2^{18016683962223} is an apocalyptic number.

18016683962223 is a deficient number, since it is larger than the sum of its proper divisors (6005561320745).

18016683962223 is an equidigital number, since it uses as much as digits as its factorization.

18016683962223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005561320744.

The product of its (nonzero) digits is 8957952, while the sum is 57.

The spelling of 18016683962223 in words is "eighteen trillion, sixteen billion, six hundred eighty-three million, nine hundred sixty-two thousand, two hundred twenty-three".