6765661748 has 6 divisors (see below), whose sum is σ = 11839908066. Its totient is φ = 3382830872.

The previous prime is 6765661741. The next prime is 6765661787. The reversal of 6765661748 is 8471665676.

It can be written as a sum of positive squares in only one way, i.e., 4995945124 + 1769716624 = 70682^2 + 42068^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6765661693 and 6765661702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6765661741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 845707715 + ... + 845707722.

It is an arithmetic number, because the mean of its divisors is an integer number (1973318011).

Almost surely, 2^6765661748 is an apocalyptic number.

It is an amenable number.

6765661748 is a deficient number, since it is larger than the sum of its proper divisors (5074246318).

6765661748 is a wasteful number, since it uses less digits than its factorization.

6765661748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691415441 (or 1691415439 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 56.

The square root of 6765661748 is about 82253.6427643177. The cubic root of 6765661748 is about 1891.3421173661.

The spelling of 6765661748 in words is "six billion, seven hundred sixty-five million, six hundred sixty-one thousand, seven hundred forty-eight".