16676944178 has 8 divisors (see below), whose sum is σ = 25020053868. Its totient is φ = 8336926224.

The previous prime is 16676944139. The next prime is 16676944231. The reversal of 16676944178 is 87144967661.

16676944178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16405254889 + 271689289 = 128083^2 + 16483^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16676944178² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759401 + ... + 781052.

Almost surely, 2^16676944178 is an apocalyptic number.

16676944178 is a deficient number, since it is larger than the sum of its proper divisors (8343109690).

16676944178 is a wasteful number, since it uses less digits than its factorization.

16676944178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545868.

The product of its digits is 12192768, while the sum is 59.

The spelling of 16676944178 in words is "sixteen billion, six hundred seventy-six million, nine hundred forty-four thousand, one hundred seventy-eight".