66733697337 has 8 divisors (see below), whose sum is σ = 89010854880. Its totient is φ = 44472835680.

The previous prime is 66733697299. The next prime is 66733697351. The reversal of 66733697337 is 73379633766.

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

It is not a de Polignac number, because 66733697337 - 2⁷ = 66733697209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66733690337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4064412 + ... + 4080797.

It is an arithmetic number, because the mean of its divisors is an integer number (11126356860).

Almost surely, 2^66733697337 is an apocalyptic number.

It is an amenable number.

66733697337 is a deficient number, since it is larger than the sum of its proper divisors (22277157543).

66733697337 is a wasteful number, since it uses less digits than its factorization.

66733697337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8147943.

The product of its digits is 54010152, while the sum is 60.

The spelling of 66733697337 in words is "sixty-six billion, seven hundred thirty-three million, six hundred ninety-seven thousand, three hundred thirty-seven".