18373196365 has 8 divisors (see below), whose sum is σ = 23208248160. Its totient is φ = 13924948752.

The previous prime is 18373196363. The next prime is 18373196389. The reversal of 18373196365 is 56369137381.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 18373196365 - 2¹ = 18373196363 is a prime.

It is a super-3 number, since 3×18373196365³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18373196363) 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, 96700939 + ... + 96701128.

It is an arithmetic number, because the mean of its divisors is an integer number (2901031020).

Almost surely, 2^18373196365 is an apocalyptic number.

It is an amenable number.

18373196365 is a deficient number, since it is larger than the sum of its proper divisors (4835051795).

18373196365 is a wasteful number, since it uses less digits than its factorization.

18373196365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193402091.

The product of its digits is 2449440, while the sum is 52.

The spelling of 18373196365 in words is "eighteen billion, three hundred seventy-three million, one hundred ninety-six thousand, three hundred sixty-five".