18378751710 has 96 divisors (see below), whose sum is σ = 48529789056. Its totient is φ = 4451198400.

The previous prime is 18378751687. The next prime is 18378751747. The reversal of 18378751710 is 1715787381.

It is a self number, because there is not a number n which added to its sum of digits gives 18378751710.

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, 5555877 + ... + 5559183.

It is an arithmetic number, because the mean of its divisors is an integer number (505518636).

Almost surely, 2^18378751710 is an apocalyptic number.

18378751710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18378751710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24264894528).

18378751710 is an abundant number, since it is smaller than the sum of its proper divisors (30151037346).

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

18378751710 is a wasteful number, since it uses less digits than its factorization.

18378751710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4870 (or 4859 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 48.

The spelling of 18378751710 in words is "eighteen billion, three hundred seventy-eight million, seven hundred fifty-one thousand, seven hundred ten".