16771677699 has 8 divisors (see below), whose sum is σ = 25556842240. Its totient is φ = 9583815816.

The previous prime is 16771677647. The next prime is 16771677733. The reversal of 16771677699 is 99677617761.

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

It is not a de Polignac number, because 16771677699 - 2¹⁶ = 16771612163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16771677499) 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, 399325639 + ... + 399325680.

It is an arithmetic number, because the mean of its divisors is an integer number (3194605280).

Almost surely, 2^16771677699 is an apocalyptic number.

16771677699 is a deficient number, since it is larger than the sum of its proper divisors (8785164541).

16771677699 is an equidigital number, since it uses as much as digits as its factorization.

16771677699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798651329.

The product of its digits is 42007896, while the sum is 66.

The spelling of 16771677699 in words is "sixteen billion, seven hundred seventy-one million, six hundred seventy-seven thousand, six hundred ninety-nine".