6655615066 has 8 divisors (see below), whose sum is σ = 10080349344. Its totient is φ = 3295498620.

The previous prime is 6655615049. The next prime is 6655615067. The reversal of 6655615066 is 6605165566.

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

It is not an unprimeable number, because it can be changed into a prime (6655615067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16154200 + ... + 16154611.

It is an arithmetic number, because the mean of its divisors is an integer number (1260043668).

Almost surely, 2^6655615066 is an apocalyptic number.

6655615066 is a deficient number, since it is larger than the sum of its proper divisors (3424734278).

6655615066 is a wasteful number, since it uses less digits than its factorization.

6655615066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32308916.

The product of its (nonzero) digits is 972000, while the sum is 46.

The square root of 6655615066 is about 81581.9530656137. The cubic root of 6655615066 is about 1881.0314871111.

The spelling of 6655615066 in words is "six billion, six hundred fifty-five million, six hundred fifteen thousand, sixty-six".