16945359167 has 4 divisors (see below), whose sum is σ = 18485846376. Its totient is φ = 15404871960.

The previous prime is 16945359157. The next prime is 16945359251. The reversal of 16945359167 is 76195354961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16945359167 - 2¹² = 16945355071 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 (16945359107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770243588 + ... + 770243609.

It is an arithmetic number, because the mean of its divisors is an integer number (4621461594).

Almost surely, 2^16945359167 is an apocalyptic number.

16945359167 is a deficient number, since it is larger than the sum of its proper divisors (1540487209).

16945359167 is a wasteful number, since it uses less digits than its factorization.

16945359167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540487208.

The product of its digits is 6123600, while the sum is 56.

The spelling of 16945359167 in words is "sixteen billion, nine hundred forty-five million, three hundred fifty-nine thousand, one hundred sixty-seven".