6674181871 has 16 divisors (see below), whose sum is σ = 7671769600. Its totient is φ = 5687700768.

The previous prime is 6674181853. The next prime is 6674181881. The reversal of 6674181871 is 1781814766.

It is a cyclic number.

It is not a de Polignac number, because 6674181871 - 2¹³ = 6674173679 is a prime.

It is a super-3 number, since 3×6674181871³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6674181881) 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, 1316740 + ... + 1321798.

It is an arithmetic number, because the mean of its divisors is an integer number (479485600).

Almost surely, 2^6674181871 is an apocalyptic number.

6674181871 is a deficient number, since it is larger than the sum of its proper divisors (997587729).

6674181871 is a wasteful number, since it uses less digits than its factorization.

6674181871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118.

The product of its digits is 451584, while the sum is 49.

The square root of 6674181871 is about 81695.6661702443. Note that the first 3 decimals coincide. The cubic root of 6674181871 is about 1882.7789999920.

The spelling of 6674181871 in words is "six billion, six hundred seventy-four million, one hundred eighty-one thousand, eight hundred seventy-one".