16849392208991 has 8 divisors (see below), whose sum is σ = 17324803488960. Its totient is φ = 16379814196512.

The previous prime is 16849392208981. The next prime is 16849392209017. The reversal of 16849392208991 is 19980229394861.

16849392208991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16849392208991 - 2¹⁸ = 16849391946847 is a prime.

It is a super-2 number, since 2×16849392208991² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16849392208981) 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, 1458311015 + ... + 1458322568.

It is an arithmetic number, because the mean of its divisors is an integer number (2165600436120).

Almost surely, 2^{16849392208991} is an apocalyptic number.

16849392208991 is a deficient number, since it is larger than the sum of its proper divisors (475411279969).

16849392208991 is a wasteful number, since it uses less digits than its factorization.

16849392208991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916633745.

The product of its (nonzero) digits is 120932352, while the sum is 71.

The spelling of 16849392208991 in words is "sixteen trillion, eight hundred forty-nine billion, three hundred ninety-two million, two hundred eight thousand, nine hundred ninety-one".