18460423142016 has 256 divisors, whose sum is σ = 53859585830400. Its totient is φ = 5578720542720.

The previous prime is 18460423142011. The next prime is 18460423142027. The reversal of 18460423142016 is 61024132406481.

It is not an unprimeable number, because it can be changed into a prime (18460423142011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20707656 + ... + 21580728.

It is an arithmetic number, because the mean of its divisors is an integer number (210389007150).

Almost surely, 2^{18460423142016} is an apocalyptic number.

18460423142016 is a gapful number since it is divisible by the number (16) 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 18460423142016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26929792915200).

18460423142016 is an abundant number, since it is smaller than the sum of its proper divisors (35399162688384).

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

18460423142016 is a wasteful number, since it uses less digits than its factorization.

18460423142016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873227 (or 873215 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

Adding to 18460423142016 its reverse (61024132406481), we get a palindrome (79484555548497).

The spelling of 18460423142016 in words is "eighteen trillion, four hundred sixty billion, four hundred twenty-three million, one hundred forty-two thousand, sixteen".