6655150515566 has 16 divisors (see below), whose sum is σ = 11904865519104. Its totient is φ = 2728198347864.

The previous prime is 6655150515553. The next prime is 6655150515569.

6655150515566 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655150515569) 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, 10334084330 + ... + 10334084973.

It is an arithmetic number, because the mean of its divisors is an integer number (744054094944).

Almost surely, 2^{6655150515566} is an apocalyptic number.

6655150515566 is a deficient number, since it is larger than the sum of its proper divisors (5249715003538).

6655150515566 is a wasteful number, since it uses less digits than its factorization.

6655150515566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20668169335.

The product of its (nonzero) digits is 20250000, while the sum is 56.

The spelling of 6655150515566 in words is "six trillion, six hundred fifty-five billion, one hundred fifty million, five hundred fifteen thousand, five hundred sixty-six".