6166777889 has 8 divisors (see below), whose sum is σ = 6366742272. Its totient is φ = 5966878320.

The previous prime is 6166777853. The next prime is 6166777961. The reversal of 6166777889 is 9887776616.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6166777889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6166777289) 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, 243467 + ... + 267599.

It is an arithmetic number, because the mean of its divisors is an integer number (795842784).

Almost surely, 2^6166777889 is an apocalyptic number.

It is an amenable number.

6166777889 is a deficient number, since it is larger than the sum of its proper divisors (199964383).

6166777889 is a wasteful number, since it uses less digits than its factorization.

6166777889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32407.

The product of its digits is 42674688, while the sum is 65.

The square root of 6166777889 is about 78528.8347615066. The cubic root of 6166777889 is about 1833.8033799450.

The spelling of 6166777889 in words is "six billion, one hundred sixty-six million, seven hundred seventy-seven thousand, eight hundred eighty-nine".