16920798693475 has 6 divisors (see below), whose sum is σ = 20981790379940. Its totient is φ = 13536638954760.

The previous prime is 16920798693467. The next prime is 16920798693499. The reversal of 16920798693475 is 57439689702961.

It is not a de Polignac number, because 16920798693475 - 2³ = 16920798693467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 338415973845 + ... + 338415973894.

It is a 1-persistent number, because it is pandigital, but 2⋅16920798693475 = 33841597386950 is not.

Almost surely, 2^{16920798693475} is an apocalyptic number.

16920798693475 is a deficient number, since it is larger than the sum of its proper divisors (4060991686465).

16920798693475 is an equidigital number, since it uses as much as digits as its factorization.

16920798693475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676831947749 (or 676831947744 counting only the distinct ones).

The product of its (nonzero) digits is 1234517760, while the sum is 76.

The spelling of 16920798693475 in words is "sixteen trillion, nine hundred twenty billion, seven hundred ninety-eight million, six hundred ninety-three thousand, four hundred seventy-five".