16916309467897 has 16 divisors (see below), whose sum is σ = 19413743830272. Its totient is φ = 14439121320960.

The previous prime is 16916309467873. The next prime is 16916309467949. The reversal of 16916309467897 is 79876490361961.

It is a de Polignac number, because none of the positive numbers 2^k-16916309467897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16916309461897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3162397 + ... + 6620677.

It is an arithmetic number, because the mean of its divisors is an integer number (1213358989392).

Almost surely, 2^{16916309467897} is an apocalyptic number.

It is an amenable number.

16916309467897 is a deficient number, since it is larger than the sum of its proper divisors (2497434362375).

16916309467897 is a wasteful number, since it uses less digits than its factorization.

16916309467897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461208.

The product of its (nonzero) digits is 740710656, while the sum is 76.

The spelling of 16916309467897 in words is "sixteen trillion, nine hundred sixteen billion, three hundred nine million, four hundred sixty-seven thousand, eight hundred ninety-seven".