18741051582 has 128 divisors (see below), whose sum is σ = 43294901760. Its totient is φ = 5355786240.

The previous prime is 18741051569. The next prime is 18741051629. The reversal of 18741051582 is 28515014781.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15787993 + ... + 15789179.

It is an arithmetic number, because the mean of its divisors is an integer number (338241420).

Almost surely, 2^18741051582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18741051582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21647450880).

18741051582 is an abundant number, since it is smaller than the sum of its proper divisors (24553850178).

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

18741051582 is a wasteful number, since it uses less digits than its factorization.

18741051582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418.

The product of its (nonzero) digits is 89600, while the sum is 42.

The spelling of 18741051582 in words is "eighteen billion, seven hundred forty-one million, fifty-one thousand, five hundred eighty-two".