16797177446399 has 8 divisors (see below), whose sum is σ = 19203622899840. Its totient is φ = 14392444161816.

The previous prime is 16797177446381. The next prime is 16797177446407. The reversal of 16797177446399 is 99364477179761.

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

It is not a de Polignac number, because 16797177446399 - 2¹² = 16797177442303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16797177446369) 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, 428021189 + ... + 428060430.

It is an arithmetic number, because the mean of its divisors is an integer number (2400452862480).

Almost surely, 2^{16797177446399} is an apocalyptic number.

16797177446399 is a deficient number, since it is larger than the sum of its proper divisors (2406445453441).

16797177446399 is an equidigital number, since it uses as much as digits as its factorization.

16797177446399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856084429.

The product of its digits is 3024568512, while the sum is 80.

The spelling of 16797177446399 in words is "sixteen trillion, seven hundred ninety-seven billion, one hundred seventy-seven million, four hundred forty-six thousand, three hundred ninety-nine".