18336210885312 has 336 divisors, whose sum is σ = 50343531194880. Its totient is φ = 5889132474368.

The previous prime is 18336210885283. The next prime is 18336210885341. The reversal of 18336210885312 is 21358801263381.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18336210885283) and next prime (18336210885341).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9927563173 + ... + 9927565019.

It is an arithmetic number, because the mean of its divisors is an integer number (149831938080).

Almost surely, 2^{18336210885312} is an apocalyptic number.

18336210885312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18336210885312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25171765597440).

18336210885312 is an abundant number, since it is smaller than the sum of its proper divisors (32007320309568).

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

18336210885312 is a wasteful number, since it uses less digits than its factorization.

18336210885312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308 (or 2251 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 18336210885312 in words is "eighteen trillion, three hundred thirty-six billion, two hundred ten million, eight hundred eighty-five thousand, three hundred twelve".