66349773792933 has 8 divisors (see below), whose sum is σ = 91320118768896. Its totient is φ = 42806305672800.

The previous prime is 66349773792881. The next prime is 66349773792983. The reversal of 66349773792933 is 33929737794366.

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

It is not a de Polignac number, because 66349773792933 - 2¹⁶ = 66349773727397 is a prime.

It is a super-3 number, since 3×66349773792933³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66349773792983) 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, 356719213848 + ... + 356719214033.

It is an arithmetic number, because the mean of its divisors is an integer number (11415014846112).

Almost surely, 2^{66349773792933} is an apocalyptic number.

It is an amenable number.

66349773792933 is a deficient number, since it is larger than the sum of its proper divisors (24970344975963).

66349773792933 is a wasteful number, since it uses less digits than its factorization.

66349773792933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713438427915.

The product of its digits is 5833096416, while the sum is 78.

The spelling of 66349773792933 in words is "sixty-six trillion, three hundred forty-nine billion, seven hundred seventy-three million, seven hundred ninety-two thousand, nine hundred thirty-three".