16667344356 has 96 divisors (see below), whose sum is σ = 42841171968. Its totient is φ = 5011320960.

The previous prime is 16667344297. The next prime is 16667344409. The reversal of 16667344356 is 65344376661.

It is a junction number, because it is equal to n+sod(n) for n = 16667344299 and 16667344308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5944851 + ... + 5947653.

It is an arithmetic number, because the mean of its divisors is an integer number (446262208).

Almost surely, 2^16667344356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16667344356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21420585984).

16667344356 is an abundant number, since it is smaller than the sum of its proper divisors (26173827612).

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

16667344356 is a wasteful number, since it uses less digits than its factorization.

16667344356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681 (or 3679 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 51.

The spelling of 16667344356 in words is "sixteen billion, six hundred sixty-seven million, three hundred forty-four thousand, three hundred fifty-six".