18864105876 has 240 divisors, whose sum is σ = 61772401152. Its totient is φ = 4876718400.

The previous prime is 18864105859. The next prime is 18864105941. The reversal of 18864105876 is 67850146881.

It is a happy number.

18864105876 is a `hidden beast` number, since 18 + 8 + 6 + 41 + 0 + 587 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5661531 + ... + 5664861.

Almost surely, 2^18864105876 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 18864105876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30886200576).

18864105876 is an abundant number, since it is smaller than the sum of its proper divisors (42908295276).

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

18864105876 is a wasteful number, since it uses less digits than its factorization.

18864105876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592 (or 3581 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 18864105876 in words is "eighteen billion, eight hundred sixty-four million, one hundred five thousand, eight hundred seventy-six".