16920941567 has 8 divisors (see below), whose sum is σ = 17322588624. Its totient is φ = 16519664448.

The previous prime is 16920941537. The next prime is 16920941581. The reversal of 16920941567 is 76514902961.

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 16920941567 - 2⁶ = 16920941503 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 (16920941537) 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, 1193 + ... + 183965.

It is an arithmetic number, because the mean of its divisors is an integer number (2165323578).

Almost surely, 2^16920941567 is an apocalyptic number.

16920941567 is a deficient number, since it is larger than the sum of its proper divisors (401647057).

16920941567 is a wasteful number, since it uses less digits than its factorization.

16920941567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184969.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 16920941567 in words is "sixteen billion, nine hundred twenty million, nine hundred forty-one thousand, five hundred sixty-seven".