655550615706 has 96 divisors (see below), whose sum is σ = 1536439104000. Its totient is φ = 185916780000.

The previous prime is 655550615701. The next prime is 655550615711. The reversal of 655550615706 is 607516055556.

It is an interprime number because it is at equal distance from previous prime (655550615701) and next prime (655550615711).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (655550615701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66541681 + ... + 66551531.

It is an arithmetic number, because the mean of its divisors is an integer number (16004574000).

Almost surely, 2^655550615706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655550615706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768219552000).

655550615706 is an abundant number, since it is smaller than the sum of its proper divisors (880888488294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655550615706 is a wasteful number, since it uses less digits than its factorization.

655550615706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11520 (or 11513 counting only the distinct ones).

The product of its (nonzero) digits is 4725000, while the sum is 51.

The spelling of 655550615706 in words is "six hundred fifty-five billion, five hundred fifty million, six hundred fifteen thousand, seven hundred six".