66212300005 has 8 divisors (see below), whose sum is σ = 83636589600. Its totient is φ = 50181953616.

The previous prime is 66212299997. The next prime is 66212300029. The reversal of 66212300005 is 50000321266.

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 66212300005 - 2³ = 66212299997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348485695 + ... + 348485884.

It is an arithmetic number, because the mean of its divisors is an integer number (10454573700).

Almost surely, 2^66212300005 is an apocalyptic number.

It is an amenable number.

66212300005 is a deficient number, since it is larger than the sum of its proper divisors (17424289595).

66212300005 is a wasteful number, since it uses less digits than its factorization.

66212300005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696971603.

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 66212300005 in words is "sixty-six billion, two hundred twelve million, three hundred thousand, five".