655616100441 has 16 divisors (see below), whose sum is σ = 879203592000. Its totient is φ = 434553923328.

The previous prime is 655616100407. The next prime is 655616100443. The reversal of 655616100441 is 144001616556.

It is a happy number.

It is not a de Polignac number, because 655616100441 - 2¹¹ = 655616098393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 655616100441.

It is not an unprimeable number, because it can be changed into a prime (655616100443) 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, 2814085 + ... + 3038141.

It is an arithmetic number, because the mean of its divisors is an integer number (54950224500).

Almost surely, 2^655616100441 is an apocalyptic number.

It is an amenable number.

655616100441 is a deficient number, since it is larger than the sum of its proper divisors (223587491559).

655616100441 is a wasteful number, since it uses less digits than its factorization.

655616100441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229688.

The product of its (nonzero) digits is 86400, while the sum is 39.

Adding to 655616100441 its reverse (144001616556), we get a palindrome (799617716997).

The spelling of 655616100441 in words is "six hundred fifty-five billion, six hundred sixteen million, one hundred thousand, four hundred forty-one".