18341705514 has 64 divisors (see below), whose sum is σ = 40479689088. Its totient is φ = 5494272000.

The previous prime is 18341705497. The next prime is 18341705519. The reversal of 18341705514 is 41550714381.

It is a super-2 number, since 2×18341705514² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18341705519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2987592 + ... + 2993724.

It is an arithmetic number, because the mean of its divisors is an integer number (632495142).

Almost surely, 2^18341705514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18341705514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20239844544).

18341705514 is an abundant number, since it is smaller than the sum of its proper divisors (22137983574).

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

18341705514 is a wasteful number, since it uses less digits than its factorization.

18341705514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663.

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 18341705514 in words is "eighteen billion, three hundred forty-one million, seven hundred five thousand, five hundred fourteen".