18751979160 has 192 divisors, whose sum is σ = 62862583680. Its totient is φ = 4845235200.

The previous prime is 18751979119. The next prime is 18751979161. The reversal of 18751979160 is 6197915781.

It is a junction number, because it is equal to n+sod(n) for n = 18751979097 and 18751979106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18751979161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1703434 + ... + 1714406.

It is an arithmetic number, because the mean of its divisors is an integer number (327409290).

Almost surely, 2^18751979160 is an apocalyptic number.

18751979160 is a gapful number since it is divisible by the number (10) 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 18751979160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31431291840).

18751979160 is an abundant number, since it is smaller than the sum of its proper divisors (44110604520).

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

18751979160 is a wasteful number, since it uses less digits than its factorization.

18751979160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11138 (or 11131 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 54.

The spelling of 18751979160 in words is "eighteen billion, seven hundred fifty-one million, nine hundred seventy-nine thousand, one hundred sixty".