18134554560 has 224 divisors, whose sum is σ = 61294060800. Its totient is φ = 4529479680.

The previous prime is 18134554553. The next prime is 18134554567. The reversal of 18134554560 is 6545543181.

It is an interprime number because it is at equal distance from previous prime (18134554553) and next prime (18134554567).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18134554567) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1617775 + ... + 1628945.

It is an arithmetic number, because the mean of its divisors is an integer number (273634200).

Almost surely, 2^18134554560 is an apocalyptic number.

18134554560 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 18134554560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30647030400).

18134554560 is an abundant number, since it is smaller than the sum of its proper divisors (43159506240).

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

18134554560 is a wasteful number, since it uses less digits than its factorization.

18134554560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11299 (or 11289 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 18134554560 in words is "eighteen billion, one hundred thirty-four million, five hundred fifty-four thousand, five hundred sixty".