16673321355 has 16 divisors (see below), whose sum is σ = 26743850784. Its totient is φ = 8870259200.

The previous prime is 16673321333. The next prime is 16673321377. The reversal of 16673321355 is 55312337661.

It is an interprime number because it is at equal distance from previous prime (16673321333) and next prime (16673321377).

It is not a de Polignac number, because 16673321355 - 2¹⁰ = 16673320331 is a prime.

It is a super-3 number, since 3×16673321355³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379964 + ... + 1391993.

It is an arithmetic number, because the mean of its divisors is an integer number (1671490674).

Almost surely, 2^16673321355 is an apocalyptic number.

16673321355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16673321355 is a deficient number, since it is larger than the sum of its proper divisors (10070529429).

16673321355 is a wasteful number, since it uses less digits than its factorization.

16673321355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772366.

The product of its digits is 340200, while the sum is 42.

The spelling of 16673321355 in words is "sixteen billion, six hundred seventy-three million, three hundred twenty-one thousand, three hundred fifty-five".