6166481 has 4 divisors (see below), whose sum is σ = 6184500. Its totient is φ = 6148464.

The previous prime is 6166477. The next prime is 6166483. The reversal of 6166481 is 1846616.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2835856 + 3330625 = 1684^2 + 1825^2 .

It is a cyclic number.

It is not a de Polignac number, because 6166481 - 2² = 6166477 is a prime.

It is a super-2 number, since 2×6166481² = 76050975846722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6166483) 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 3 ways as a sum of consecutive naturals, for example, 8486 + ... + 9183.

It is an arithmetic number, because the mean of its divisors is an integer number (1546125).

Almost surely, 2^6166481 is an apocalyptic number.

It is an amenable number.

6166481 is a deficient number, since it is larger than the sum of its proper divisors (18019).

6166481 is a wasteful number, since it uses less digits than its factorization.

6166481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18018.

The product of its digits is 6912, while the sum is 32.

The square root of 6166481 is about 2483.2400206182. The cubic root of 6166481 is about 183.3773951028.

The spelling of 6166481 in words is "six million, one hundred sixty-six thousand, four hundred eighty-one".