6117731966 has 4 divisors (see below), whose sum is σ = 9176597952. Its totient is φ = 3058865982.

The previous prime is 6117731953. The next prime is 6117731987. The reversal of 6117731966 is 6691377116.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6117731966.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1529432990 + ... + 1529432993.

It is an arithmetic number, because the mean of its divisors is an integer number (2294149488).

Almost surely, 2^6117731966 is an apocalyptic number.

6117731966 is a deficient number, since it is larger than the sum of its proper divisors (3058865986).

6117731966 is a wasteful number, since it uses less digits than its factorization.

6117731966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058865985.

The product of its digits is 285768, while the sum is 47.

The square root of 6117731966 is about 78215.9316635684. The cubic root of 6117731966 is about 1828.9288690250.

The spelling of 6117731966 in words is "six billion, one hundred seventeen million, seven hundred thirty-one thousand, nine hundred sixty-six".