6768186971 has 32 divisors (see below), whose sum is σ = 8731903488. Its totient is φ = 5102818560.

The previous prime is 6768186961. The next prime is 6768186979. The reversal of 6768186971 is 1796818676.

It is a de Polignac number, because none of the positive numbers 2^k-6768186971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6768186971.

It is not an unprimeable number, because it can be changed into a prime (6768186979) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139340 + ... + 181526.

It is an arithmetic number, because the mean of its divisors is an integer number (272871984).

Almost surely, 2^6768186971 is an apocalyptic number.

6768186971 is a deficient number, since it is larger than the sum of its proper divisors (1963716517).

6768186971 is a wasteful number, since it uses less digits than its factorization.

6768186971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42291.

The product of its digits is 6096384, while the sum is 59.

The square root of 6768186971 is about 82268.9915521030. The cubic root of 6768186971 is about 1891.5773969642.

The spelling of 6768186971 in words is "six billion, seven hundred sixty-eight million, one hundred eighty-six thousand, nine hundred seventy-one".