66132606831337 has 4 divisors (see below), whose sum is σ = 66203793707220. Its totient is φ = 66061419955456.

The previous prime is 66132606831307. The next prime is 66132606831349. The reversal of 66132606831337 is 73313860623166.

66132606831337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28569142590121 + 37563464241216 = 5345011^2 + 6128904^2 .

It is a cyclic number.

It is not a de Polignac number, because 66132606831337 - 2¹⁵ = 66132606798569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66132606831307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35593436548 + ... + 35593438405.

It is an arithmetic number, because the mean of its divisors is an integer number (16550948426805).

Almost surely, 2^{66132606831337} is an apocalyptic number.

It is an amenable number.

66132606831337 is a deficient number, since it is larger than the sum of its proper divisors (71186875883).

66132606831337 is an equidigital number, since it uses as much as digits as its factorization.

66132606831337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71186875882.

The product of its (nonzero) digits is 11757312, while the sum is 55.

The spelling of 66132606831337 in words is "sixty-six trillion, one hundred thirty-two billion, six hundred six million, eight hundred thirty-one thousand, three hundred thirty-seven".