6655651101 has 18 divisors (see below), whose sum is σ = 10567146590. Its totient is φ = 4033727280.

The previous prime is 6655651043. The next prime is 6655651109. The reversal of 6655651101 is 1011565566.

6655651101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5222952900 + 1432698201 = 72270^2 + 37851^2 .

It is not a de Polignac number, because 6655651101 - 2²² = 6651456797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655651109) 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 17 ways as a sum of consecutive naturals, for example, 3054766 + ... + 3056943.

Almost surely, 2^6655651101 is an apocalyptic number.

It is an amenable number.

6655651101 is a deficient number, since it is larger than the sum of its proper divisors (3911495489).

6655651101 is a wasteful number, since it uses less digits than its factorization.

6655651101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111737 (or 6111723 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 6655651101 is about 81582.1739168551. The cubic root of 6655651101 is about 1881.0348818811.

It can be divided in two parts, 665565 and 1101, that added together give a palindrome (666666).

The spelling of 6655651101 in words is "six billion, six hundred fifty-five million, six hundred fifty-one thousand, one hundred one".