18230164992 has 480 divisors, whose sum is σ = 61551372960. Its totient is φ = 5295144960.

The previous prime is 18230164969. The next prime is 18230165017. The reversal of 18230164992 is 29946103281.

It is a congruent number.

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, 64875892 + ... + 64876172.

It is an arithmetic number, because the mean of its divisors is an integer number (128232027).

Almost surely, 2^18230164992 is an apocalyptic number.

18230164992 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 18230164992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30775686480).

18230164992 is an abundant number, since it is smaller than the sum of its proper divisors (43321207968).

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

18230164992 is a wasteful number, since it uses less digits than its factorization.

18230164992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 18230164992 in words is "eighteen billion, two hundred thirty million, one hundred sixty-four thousand, nine hundred ninety-two".