6748311655 has 16 divisors (see below), whose sum is σ = 8301437280. Its totient is φ = 5264258688.

The previous prime is 6748311593. The next prime is 6748311659. The reversal of 6748311655 is 5561138476.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6748311655 - 2³¹ = 4600828007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6748311659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34920 + ... + 121309.

It is an arithmetic number, because the mean of its divisors is an integer number (518839830).

Almost surely, 2^6748311655 is an apocalyptic number.

6748311655 is a deficient number, since it is larger than the sum of its proper divisors (1553125625).

6748311655 is a wasteful number, since it uses less digits than its factorization.

6748311655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156450.

The product of its digits is 604800, while the sum is 46.

The square root of 6748311655 is about 82148.1080427297. The cubic root of 6748311655 is about 1889.7239927102.

The spelling of 6748311655 in words is "six billion, seven hundred forty-eight million, three hundred eleven thousand, six hundred fifty-five".