6189166681 has 8 divisors (see below), whose sum is σ = 6238985760. Its totient is φ = 6139423488.

The previous prime is 6189166673. The next prime is 6189166699. The reversal of 6189166681 is 1866619816.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6189166681 - 2³ = 6189166673 is a prime.

It is a super-2 number, since 2×6189166681² = 76611568410401111522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6189166481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150870 + ... + 187456.

It is an arithmetic number, because the mean of its divisors is an integer number (779873220).

Almost surely, 2^6189166681 is an apocalyptic number.

It is an amenable number.

6189166681 is a deficient number, since it is larger than the sum of its proper divisors (49819079).

6189166681 is a wasteful number, since it uses less digits than its factorization.

6189166681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37943.

The product of its digits is 746496, while the sum is 52.

The square root of 6189166681 is about 78671.2570193206. The cubic root of 6189166681 is about 1836.0199376081.

The spelling of 6189166681 in words is "six billion, one hundred eighty-nine million, one hundred sixty-six thousand, six hundred eighty-one".