66330056033351 has 8 divisors (see below), whose sum is σ = 72617570245008. Its totient is φ = 60085460008000.

The previous prime is 66330056033347. The next prime is 66330056033363. The reversal of 66330056033351 is 15333065003366.

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 66330056033351 - 2² = 66330056033347 is a prime.

It is a super-3 number, since 3×66330056033351³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66330056033051) 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, 10729543340 + ... + 10729549521.

It is an arithmetic number, because the mean of its divisors is an integer number (9077196280626).

Almost surely, 2^{66330056033351} is an apocalyptic number.

66330056033351 is a deficient number, since it is larger than the sum of its proper divisors (6287514211657).

66330056033351 is a wasteful number, since it uses less digits than its factorization.

66330056033351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21459093153.

The product of its (nonzero) digits is 1312200, while the sum is 44.

The spelling of 66330056033351 in words is "sixty-six trillion, three hundred thirty billion, fifty-six million, thirty-three thousand, three hundred fifty-one".