18017010144 has 120 divisors (see below), whose sum is σ = 60557233968. Its totient is φ = 5147712000.

The previous prime is 18017010131. The next prime is 18017010149. The reversal of 18017010144 is 44101071081.

It is a super-2 number, since 2×18017010144² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18017010149) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 478357 + ... + 514644.

Almost surely, 2^18017010144 is an apocalyptic number.

18017010144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18017010144 is an abundant number, since it is smaller than the sum of its proper divisors (42540223824).

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

18017010144 is an equidigital number, since it uses as much as digits as its factorization.

18017010144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993030 (or 993013 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The spelling of 18017010144 in words is "eighteen billion, seventeen million, ten thousand, one hundred forty-four".