16673321356 has 12 divisors (see below), whose sum is σ = 30119548480. Its totient is φ = 8067736080.

The previous prime is 16673321333. The next prime is 16673321377. The reversal of 16673321356 is 65312337661.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67231011 + ... + 67231258.

Almost surely, 2^16673321356 is an apocalyptic number.

It is an amenable number.

16673321356 is a deficient number, since it is larger than the sum of its proper divisors (13446227124).

16673321356 is a wasteful number, since it uses less digits than its factorization.

16673321356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134462304 (or 134462302 counting only the distinct ones).

The product of its digits is 408240, while the sum is 43.

The spelling of 16673321356 in words is "sixteen billion, six hundred seventy-three million, three hundred twenty-one thousand, three hundred fifty-six".