666010515567 has 8 divisors (see below), whose sum is σ = 940250139696. Its totient is φ = 417888950912.

The previous prime is 666010515539. The next prime is 666010515571. The reversal of 666010515567 is 765515010666.

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

It is a cyclic number.

It is not a de Polignac number, because 666010515567 - 2¹² = 666010511471 is a prime.

It is a super-3 number, since 3×666010515567³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666010515517) 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, 6529514808 + ... + 6529514909.

It is an arithmetic number, because the mean of its divisors is an integer number (117531267462).

Almost surely, 2^666010515567 is an apocalyptic number.

666010515567 is a deficient number, since it is larger than the sum of its proper divisors (274239624129).

666010515567 is a wasteful number, since it uses less digits than its factorization.

666010515567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13059029737.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 666010515567 in words is "six hundred sixty-six billion, ten million, five hundred fifteen thousand, five hundred sixty-seven".