6655066551 has 48 divisors (see below), whose sum is σ = 11643091200. Its totient is φ = 3575902464.

The previous prime is 6655066549. The next prime is 6655066553. The reversal of 6655066551 is 1556605566.

It is an interprime number because it is at equal distance from previous prime (6655066549) and next prime (6655066553).

It is not a de Polignac number, because 6655066551 - 2¹ = 6655066549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6655066497 and 6655066506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655066553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1560460 + ... + 1564718.

It is an arithmetic number, because the mean of its divisors is an integer number (242564400).

Almost surely, 2^6655066551 is an apocalyptic number.

6655066551 is a deficient number, since it is larger than the sum of its proper divisors (4988024649).

6655066551 is a wasteful number, since it uses less digits than its factorization.

6655066551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748 (or 5745 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The square root of 6655066551 is about 81578.5912540784. The cubic root of 6655066551 is about 1880.9798113295.

The spelling of 6655066551 in words is "six billion, six hundred fifty-five million, sixty-six thousand, five hundred fifty-one".