6655954398847 has 64 divisors (see below), whose sum is σ = 7908933795840. Its totient is φ = 5542347888000.

The previous prime is 6655954398829. The next prime is 6655954398851. The reversal of 6655954398847 is 7488934595566.

It is a cyclic number.

It is not a de Polignac number, because 6655954398847 - 2¹¹ = 6655954396799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655954398047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1728368472 + ... + 1728372322.

It is an arithmetic number, because the mean of its divisors is an integer number (123577090560).

Almost surely, 2^{6655954398847} is an apocalyptic number.

6655954398847 is a deficient number, since it is larger than the sum of its proper divisors (1252979396993).

6655954398847 is a wasteful number, since it uses less digits than its factorization.

6655954398847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204.

The product of its digits is 7838208000, while the sum is 79.

The spelling of 6655954398847 in words is "six trillion, six hundred fifty-five billion, nine hundred fifty-four million, three hundred ninety-eight thousand, eight hundred forty-seven".