6655494293691 has 16 divisors (see below), whose sum is σ = 9411618451200. Its totient is φ = 4174508178720.

The previous prime is 6655494293683. The next prime is 6655494293741. The reversal of 6655494293691 is 1963924945566.

It is not a de Polignac number, because 6655494293691 - 2³ = 6655494293683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (6655494293681) 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 15 ways as a sum of consecutive naturals, for example, 790622341 + ... + 790630758.

It is an arithmetic number, because the mean of its divisors is an integer number (588226153200).

Almost surely, 2^{6655494293691} is an apocalyptic number.

6655494293691 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6655494293691 is a deficient number, since it is larger than the sum of its proper divisors (2756124157509).

6655494293691 is a wasteful number, since it uses less digits than its factorization.

6655494293691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581253186.

The product of its digits is 377913600, while the sum is 69.

The spelling of 6655494293691 in words is "six trillion, six hundred fifty-five billion, four hundred ninety-four million, two hundred ninety-three thousand, six hundred ninety-one".