655065107000 has 128 divisors (see below), whose sum is σ = 1573712712000. Its totient is φ = 255116992000.

The previous prime is 655065106981. The next prime is 655065107009. The reversal of 655065107000 is 701560556.

It is a super-2 number, since 2×655065107000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655065107009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6895826 + ... + 6990174.

Almost surely, 2^655065107000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655065107000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786856356000).

655065107000 is an abundant number, since it is smaller than the sum of its proper divisors (918647605000).

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

655065107000 is a wasteful number, since it uses less digits than its factorization.

655065107000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94554 (or 94540 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

Adding to 655065107000 its reverse (701560556), we get a palindrome (655766667556).

The spelling of 655065107000 in words is "six hundred fifty-five billion, sixty-five million, one hundred seven thousand".