660069441255 has 32 divisors (see below), whose sum is σ = 1232664643584. Its totient is φ = 295325899776.

The previous prime is 660069441217. The next prime is 660069441263. The reversal of 660069441255 is 552144960066.

It is not a de Polignac number, because 660069441255 - 2²⁰ = 660068392679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66871402 + ... + 66881271.

It is an arithmetic number, because the mean of its divisors is an integer number (38520770112).

Almost surely, 2^660069441255 is an apocalyptic number.

660069441255 is a deficient number, since it is larger than the sum of its proper divisors (572595202329).

660069441255 is a wasteful number, since it uses less digits than its factorization.

660069441255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133752735.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 660069441255 in words is "six hundred sixty billion, sixty-nine million, four hundred forty-one thousand, two hundred fifty-five".