66734141046771 has 16 divisors (see below), whose sum is σ = 97068581232768. Its totient is φ = 40444625755200.

The previous prime is 66734141046719. The next prime is 66734141046799. The reversal of 66734141046771 is 17764014143766.

It is not a de Polignac number, because 66734141046771 - 2¹¹ = 66734141044723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66734141042771) 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, 3271221 + ... + 12007046.

It is an arithmetic number, because the mean of its divisors is an integer number (6066786327048).

Almost surely, 2^{66734141046771} is an apocalyptic number.

66734141046771 is a deficient number, since it is larger than the sum of its proper divisors (30334440185997).

66734141046771 is a wasteful number, since it uses less digits than its factorization.

66734141046771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15410642.

The product of its (nonzero) digits is 14224896, while the sum is 57.

The spelling of 66734141046771 in words is "sixty-six trillion, seven hundred thirty-four billion, one hundred forty-one million, forty-six thousand, seven hundred seventy-one".