6920161 has 12 divisors (see below), whose sum is σ = 7546800. Its totient is φ = 6327720.

The previous prime is 6920149. The next prime is 6920189. The reversal of 6920161 is 1610296.

It is not a de Polignac number, because 6920161 - 2⁵ = 6920129 is a prime.

6920161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6920101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18070 + ... + 18448.

It is an arithmetic number, because the mean of its divisors is an integer number (628900).

Almost surely, 2^6920161 is an apocalyptic number.

It is an amenable number.

6920161 is a deficient number, since it is larger than the sum of its proper divisors (626639).

6920161 is a wasteful number, since it uses less digits than its factorization.

6920161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 6920161 is about 2630.6198889235. The cubic root of 6920161 is about 190.5630665415.

The spelling of 6920161 in words is "six million, nine hundred twenty thousand, one hundred sixty-one".