666245212655150 has 12 divisors (see below), whose sum is σ = 1239216095538672. Its totient is φ = 266498085062040.

The previous prime is 666245212655149. The next prime is 666245212655317. The reversal of 666245212655150 is 51556212542666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6662452126502 + ... + 6662452126601.

It is an arithmetic number, because the mean of its divisors is an integer number (103268007961556).

Almost surely, 2^{666245212655150} is an apocalyptic number.

666245212655150 is a deficient number, since it is larger than the sum of its proper divisors (572970882883522).

666245212655150 is a wasteful number, since it uses less digits than its factorization.

666245212655150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13324904253115 (or 13324904253110 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 56.

The spelling of 666245212655150 in words is "six hundred sixty-six trillion, two hundred forty-five billion, two hundred twelve million, six hundred fifty-five thousand, one hundred fifty".