6765666368 has 14 divisors (see below), whose sum is σ = 13425619326. Its totient is φ = 3382833152.

The previous prime is 6765666359. The next prime is 6765666371. The reversal of 6765666368 is 8636665676.

It can be written as a sum of positive squares in only one way, i.e., 6762101824 + 3564544 = 82232^2 + 1888^2 .

It is a super-2 number, since 2×6765666368² = 91548482806172622848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52856705 + ... + 52856832.

It is an arithmetic number, because the mean of its divisors is an integer number (958972809).

Almost surely, 2^6765666368 is an apocalyptic number.

It is an amenable number.

6765666368 is a deficient number, since it is larger than the sum of its proper divisors (6659952958).

6765666368 is a wasteful number, since it uses less digits than its factorization.

6765666368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105713549 (or 105713539 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 59.

The square root of 6765666368 is about 82253.6708481755. The cubic root of 6765666368 is about 1891.3425478733.

The spelling of 6765666368 in words is "six billion, seven hundred sixty-five million, six hundred sixty-six thousand, three hundred sixty-eight".