18001146814 has 16 divisors (see below), whose sum is σ = 31031510400. Its totient is φ = 7671676824.

The previous prime is 18001146791. The next prime is 18001146833. The reversal of 18001146814 is 41864110081.

It is a self number, because there is not a number n which added to its sum of digits gives 18001146814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3589104 + ... + 3594115.

It is an arithmetic number, because the mean of its divisors is an integer number (1939469400).

Almost surely, 2^18001146814 is an apocalyptic number.

18001146814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18001146814 is a deficient number, since it is larger than the sum of its proper divisors (13030363586).

18001146814 is a wasteful number, since it uses less digits than its factorization.

18001146814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7183407.

The product of its (nonzero) digits is 6144, while the sum is 34.

Adding to 18001146814 its reverse (41864110081), we get a palindrome (59865256895).

The spelling of 18001146814 in words is "eighteen billion, one million, one hundred forty-six thousand, eight hundred fourteen".