16673744418 has 16 divisors (see below), whose sum is σ = 33361201920. Its totient is φ = 5555629296.

The previous prime is 16673744389. The next prime is 16673744429. The reversal of 16673744418 is 81444737661.

It is a happy 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, 555538 + ... + 584781.

It is an arithmetic number, because the mean of its divisors is an integer number (2085075120).

Almost surely, 2^16673744418 is an apocalyptic number.

16673744418 is an abundant number, since it is smaller than the sum of its proper divisors (16687457502).

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

16673744418 is a wasteful number, since it uses less digits than its factorization.

16673744418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142761.

The product of its digits is 2709504, while the sum is 51.

The spelling of 16673744418 in words is "sixteen billion, six hundred seventy-three million, seven hundred forty-four thousand, four hundred eighteen".