16678309627 has 8 divisors (see below), whose sum is σ = 19085978592. Its totient is φ = 14276904000.

The previous prime is 16678309603. The next prime is 16678309651. The reversal of 16678309627 is 72690387661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16678309603) and next prime (16678309651).

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

It is a cyclic number.

It is not a de Polignac number, because 16678309627 - 2⁷ = 16678309499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16678309657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560124 + ... + 1570777.

It is an arithmetic number, because the mean of its divisors is an integer number (2385747324).

Almost surely, 2^16678309627 is an apocalyptic number.

16678309627 is a deficient number, since it is larger than the sum of its proper divisors (2407668965).

16678309627 is an equidigital number, since it uses as much as digits as its factorization.

16678309627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131669.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 16678309627 in words is "sixteen billion, six hundred seventy-eight million, three hundred nine thousand, six hundred twenty-seven".