16541161 has 16 divisors (see below), whose sum is σ = 20669824. Its totient is φ = 12887424.

The previous prime is 16541159. The next prime is 16541167. The reversal of 16541161 is 16114561.

It is a cyclic number.

It is not a de Polignac number, because 16541161 - 2¹ = 16541159 is a prime.

It is a super-2 number, since 2×16541161² = 547220014455842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16541167) 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, 4741 + ... + 7453.

It is an arithmetic number, because the mean of its divisors is an integer number (1291864).

Almost surely, 2^16541161 is an apocalyptic number.

It is an amenable number.

16541161 is a deficient number, since it is larger than the sum of its proper divisors (4128663).

16541161 is a wasteful number, since it uses less digits than its factorization.

16541161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800.

The product of its digits is 720, while the sum is 25.

The square root of 16541161 is about 4067.0826153399. The cubic root of 16541161 is about 254.7936867689.

The spelling of 16541161 in words is "sixteen million, five hundred forty-one thousand, one hundred sixty-one".