655644024001 has 16 divisors (see below), whose sum is σ = 668055833280. Its totient is φ = 643352414400.

The previous prime is 655644023981. The next prime is 655644024073. The reversal of 655644024001 is 100420446556.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655644024001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655644024701) 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, 47239875 + ... + 47253751.

It is an arithmetic number, because the mean of its divisors is an integer number (41753489580).

Almost surely, 2^655644024001 is an apocalyptic number.

It is an amenable number.

655644024001 is a deficient number, since it is larger than the sum of its proper divisors (12411809279).

655644024001 is a wasteful number, since it uses less digits than its factorization.

655644024001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18144.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 655644024001 in words is "six hundred fifty-five billion, six hundred forty-four million, twenty-four thousand, one".