6660511065510 has 16 divisors (see below), whose sum is σ = 15985226557296. Its totient is φ = 1776136284128.

The previous prime is 6660511065499. The next prime is 6660511065511. The reversal of 6660511065510 is 155601150666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660511065511) 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, 111008517729 + ... + 111008517788.

It is an arithmetic number, because the mean of its divisors is an integer number (999076659831).

Almost surely, 2^{6660511065510} is an apocalyptic number.

6660511065510 is an abundant number, since it is smaller than the sum of its proper divisors (9324715491786).

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

6660511065510 is a wasteful number, since it uses less digits than its factorization.

6660511065510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222017035527.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 6660511065510 in words is "six trillion, six hundred sixty billion, five hundred eleven million, sixty-five thousand, five hundred ten".