6168755231 has 4 divisors (see below), whose sum is σ = 6170414112. Its totient is φ = 6167096352.

The previous prime is 6168755161. The next prime is 6168755233. The reversal of 6168755231 is 1325578616.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6168755231 is a prime.

It is a super-2 number, since 2×6168755231² = 76107082199979726722, which contains 22 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 (6168755233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823850 + ... + 831303.

It is an arithmetic number, because the mean of its divisors is an integer number (1542603528).

Almost surely, 2^6168755231 is an apocalyptic number.

6168755231 is a deficient number, since it is larger than the sum of its proper divisors (1658881).

6168755231 is a wasteful number, since it uses less digits than its factorization.

6168755231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658880.

The product of its digits is 302400, while the sum is 44.

The square root of 6168755231 is about 78541.4236629309. The cubic root of 6168755231 is about 1833.9993585160. Note that the first 3 decimals are identical.

The spelling of 6168755231 in words is "six billion, one hundred sixty-eight million, seven hundred fifty-five thousand, two hundred thirty-one".