18373060608 has 192 divisors, whose sum is σ = 56665889280. Its totient is φ = 5185191936.

The previous prime is 18373060579. The next prime is 18373060619. The reversal of 18373060608 is 80606037381.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×18373060608² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 18373060608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3567091 + ... + 3572237.

It is an arithmetic number, because the mean of its divisors is an integer number (295134840).

Almost surely, 2^18373060608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18373060608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28332944640).

18373060608 is an abundant number, since it is smaller than the sum of its proper divisors (38292828672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18373060608 is an equidigital number, since it uses as much as digits as its factorization.

18373060608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262 (or 5242 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

Adding to 18373060608 its reverse (80606037381), we get a palindrome (98979097989).

The spelling of 18373060608 in words is "eighteen billion, three hundred seventy-three million, sixty thousand, six hundred eight".