666002137465 has 8 divisors (see below), whose sum is σ = 913374360000. Its totient is φ = 456687179952.

The previous prime is 666002137459. The next prime is 666002137481. The reversal of 666002137465 is 564731200666.

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 666002137465 - 2³⁹ = 116246323577 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 9514316215 + ... + 9514316284.

It is an arithmetic number, because the mean of its divisors is an integer number (114171795000).

Almost surely, 2^666002137465 is an apocalyptic number.

It is an amenable number.

666002137465 is a deficient number, since it is larger than the sum of its proper divisors (247372222535).

666002137465 is a wasteful number, since it uses less digits than its factorization.

666002137465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19028632511.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 666002137465 in words is "six hundred sixty-six billion, two million, one hundred thirty-seven thousand, four hundred sixty-five".