66704040367037 has 4 divisors (see below), whose sum is σ = 66705379559616. Its totient is φ = 66702701174460.

The previous prime is 66704040367009. The next prime is 66704040367061. The reversal of 66704040367037 is 73076304040766.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66704040367037 - 2²⁴ = 66704023589821 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 66704040367037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66704040366037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669521573 + ... + 669621194.

It is an arithmetic number, because the mean of its divisors is an integer number (16676344889904).

Almost surely, 2^{66704040367037} is an apocalyptic number.

It is an amenable number.

66704040367037 is a deficient number, since it is larger than the sum of its proper divisors (1339192579).

66704040367037 is a wasteful number, since it uses less digits than its factorization.

66704040367037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339192578.

The product of its (nonzero) digits is 10668672, while the sum is 53.

The spelling of 66704040367037 in words is "sixty-six trillion, seven hundred four billion, forty million, three hundred sixty-seven thousand, thirty-seven".