18144983346 has 16 divisors (see below), whose sum is σ = 41474247744. Its totient is φ = 5184280944.

The previous prime is 18144983341. The next prime is 18144983347. The reversal of 18144983346 is 64338944181.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18144983341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216011665 + ... + 216011748.

It is an arithmetic number, because the mean of its divisors is an integer number (2592140484).

Almost surely, 2^18144983346 is an apocalyptic number.

18144983346 is an abundant number, since it is smaller than the sum of its proper divisors (23329264398).

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

18144983346 is a wasteful number, since it uses less digits than its factorization.

18144983346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432023425.

The product of its digits is 1990656, while the sum is 51.

The spelling of 18144983346 in words is "eighteen billion, one hundred forty-four million, nine hundred eighty-three thousand, three hundred forty-six".