66733674007337 has 16 divisors (see below), whose sum is σ = 68926082534400. Its totient is φ = 64543757541120.

The previous prime is 66733674007327. The next prime is 66733674007339. The reversal of 66733674007337 is 73370047633766.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 66733674007337 - 2³⁴ = 66716494138153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66733674007337.

It is not an unprimeable number, because it can be changed into a prime (66733674007339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409606589 + ... + 409769477.

It is an arithmetic number, because the mean of its divisors is an integer number (4307880158400).

Almost surely, 2^{66733674007337} is an apocalyptic number.

It is an amenable number.

66733674007337 is a deficient number, since it is larger than the sum of its proper divisors (2192408527063).

66733674007337 is a wasteful number, since it uses less digits than its factorization.

66733674007337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170456.

The product of its (nonzero) digits is 168031584, while the sum is 62.

The spelling of 66733674007337 in words is "sixty-six trillion, seven hundred thirty-three billion, six hundred seventy-four million, seven thousand, three hundred thirty-seven".