6209161 has 16 divisors (see below), whose sum is σ = 7459200. Its totient is φ = 5056128.

The previous prime is 6209117. The next prime is 6209173. The reversal of 6209161 is 1619026.

It is a de Polignac number, because none of the positive numbers 2^k-6209161 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6209111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14610 + ... + 15028.

It is an arithmetic number, because the mean of its divisors is an integer number (466200).

Almost surely, 2^6209161 is an apocalyptic number.

It is an amenable number.

6209161 is a deficient number, since it is larger than the sum of its proper divisors (1250039).

6209161 is a wasteful number, since it uses less digits than its factorization.

6209161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528.

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

The square root of 6209161 is about 2491.8188136379. The cubic root of 6209161 is about 183.7994921213.

The spelling of 6209161 in words is "six million, two hundred nine thousand, one hundred sixty-one".