655566566101 has 8 divisors (see below), whose sum is σ = 690089691200. Its totient is φ = 621045403200.

The previous prime is 655566566093. The next prime is 655566566141. The reversal of 655566566101 is 101665665556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 655566566101 - 2³ = 655566566093 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 (655566566141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221776 + ... + 1166326.

It is an arithmetic number, because the mean of its divisors is an integer number (86261211400).

Almost surely, 2^655566566101 is an apocalyptic number.

It is an amenable number.

655566566101 is a deficient number, since it is larger than the sum of its proper divisors (34523125099).

655566566101 is a wasteful number, since it uses less digits than its factorization.

655566566101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981099.

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 655566566101 in words is "six hundred fifty-five billion, five hundred sixty-six million, five hundred sixty-six thousand, one hundred one".