16676392789 has 8 divisors (see below), whose sum is σ = 19126082240. Its totient is φ = 14243540256.

The previous prime is 16676392781. The next prime is 16676392793. The reversal of 16676392789 is 98729367661.

It is a happy number.

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 16676392789 - 2³ = 16676392781 is a prime.

It is a super-2 number, since 2×16676392789² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16676392789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16676392781) 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, 4207104 + ... + 4211065.

It is an arithmetic number, because the mean of its divisors is an integer number (2390760280).

Almost surely, 2^16676392789 is an apocalyptic number.

It is an amenable number.

16676392789 is a deficient number, since it is larger than the sum of its proper divisors (2449689451).

16676392789 is an equidigital number, since it uses as much as digits as its factorization.

16676392789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8418459.

The product of its digits is 41150592, while the sum is 64.

The spelling of 16676392789 in words is "sixteen billion, six hundred seventy-six million, three hundred ninety-two thousand, seven hundred eighty-nine".