6920168159 has 8 divisors (see below), whose sum is σ = 6940538880. Its totient is φ = 6899819256.

The previous prime is 6920168137. The next prime is 6920168179. The reversal of 6920168159 is 9518610296.

It is a happy number.

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 6920168159 - 2³² = 2625200863 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 (6920168179) 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, 795974 + ... + 804620.

It is an arithmetic number, because the mean of its divisors is an integer number (867567360).

Almost surely, 2^6920168159 is an apocalyptic number.

6920168159 is a deficient number, since it is larger than the sum of its proper divisors (20370721).

6920168159 is a wasteful number, since it uses less digits than its factorization.

6920168159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10909.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 6920168159 is about 83187.5481006623. The cubic root of 6920168159 is about 1905.6313225482.

The spelling of 6920168159 in words is "six billion, nine hundred twenty million, one hundred sixty-eight thousand, one hundred fifty-nine".