6660101275 has 24 divisors (see below), whose sum is σ = 8331661184. Its totient is φ = 5281113600.

The previous prime is 6660101267. The next prime is 6660101291. The reversal of 6660101275 is 5721010666.

It is a happy number.

It is not a de Polignac number, because 6660101275 - 2³ = 6660101267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6660101275.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1341097 + ... + 1346053.

Almost surely, 2^6660101275 is an apocalyptic number.

6660101275 is a deficient number, since it is larger than the sum of its proper divisors (1671559909).

6660101275 is a wasteful number, since it uses less digits than its factorization.

6660101275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431 (or 5426 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 6660101275 is about 81609.4435405609. The cubic root of 6660101275 is about 1881.4540278270.

The spelling of 6660101275 in words is "six billion, six hundred sixty million, one hundred one thousand, two hundred seventy-five".