6676181 has 4 divisors (see below), whose sum is σ = 6691500. Its totient is φ = 6660864.

The previous prime is 6676171. The next prime is 6676199. The reversal of 6676181 is 1816766.

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 2775556 + 3900625 = 1666^2 + 1975^2 .

It is a cyclic number.

It is not a de Polignac number, because 6676181 - 2²² = 2481877 is a prime.

It is a super-3 number, since 3×6676181³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6676171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6986 + ... + 7883.

It is an arithmetic number, because the mean of its divisors is an integer number (1672875).

Almost surely, 2^6676181 is an apocalyptic number.

It is an amenable number.

6676181 is a deficient number, since it is larger than the sum of its proper divisors (15319).

6676181 is a wasteful number, since it uses less digits than its factorization.

6676181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15318.

The product of its digits is 12096, while the sum is 35.

The square root of 6676181 is about 2583.8306833072. The cubic root of 6676181 is about 188.2966965220.

The spelling of 6676181 in words is "six million, six hundred seventy-six thousand, one hundred eighty-one".