16044511218 has 32 divisors (see below), whose sum is σ = 33385021440. Its totient is φ = 5134888080.

The previous prime is 16044511211. The next prime is 16044511237. The reversal of 16044511218 is 81211544061.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16044511211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315988 + ... + 363231.

It is an arithmetic number, because the mean of its divisors is an integer number (1043281920).

Almost surely, 2^16044511218 is an apocalyptic number.

16044511218 is an abundant number, since it is smaller than the sum of its proper divisors (17340510222).

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

16044511218 is a wasteful number, since it uses less digits than its factorization.

16044511218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679382.

The product of its (nonzero) digits is 7680, while the sum is 33.

The spelling of 16044511218 in words is "sixteen billion, forty-four million, five hundred eleven thousand, two hundred eighteen".