66740337004037 has 32 divisors (see below), whose sum is σ = 70314687995904. Its totient is φ = 63266899348800.

The previous prime is 66740337004027. The next prime is 66740337004079. The reversal of 66740337004037 is 73040073304766.

It is a cyclic number.

It is not a de Polignac number, because 66740337004037 - 2¹⁰ = 66740337003013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66740337004027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1724047112 + ... + 1724085822.

It is an arithmetic number, because the mean of its divisors is an integer number (2197333999872).

Almost surely, 2^{66740337004037} is an apocalyptic number.

It is an amenable number.

66740337004037 is a deficient number, since it is larger than the sum of its proper divisors (3574350991867).

66740337004037 is a wasteful number, since it uses less digits than its factorization.

66740337004037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41489.

The product of its (nonzero) digits is 5334336, while the sum is 50.

The spelling of 66740337004037 in words is "sixty-six trillion, seven hundred forty billion, three hundred thirty-seven million, four thousand, thirty-seven".