666356350627 has 8 divisors (see below), whose sum is σ = 727934118912. Its totient is φ = 604945235400.

The previous prime is 666356350609. The next prime is 666356350633. The reversal of 666356350627 is 726053653666.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-666356350627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (666356350607) 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, 41654899 + ... + 41670892.

It is an arithmetic number, because the mean of its divisors is an integer number (90991764864).

Almost surely, 2^666356350627 is an apocalyptic number.

666356350627 is a deficient number, since it is larger than the sum of its proper divisors (61577768285).

666356350627 is a wasteful number, since it uses less digits than its factorization.

666356350627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83326529.

The product of its (nonzero) digits is 24494400, while the sum is 55.

The spelling of 666356350627 in words is "six hundred sixty-six billion, three hundred fifty-six million, three hundred fifty thousand, six hundred twenty-seven".