66737000337071 has 4 divisors (see below), whose sum is σ = 66865094388144. Its totient is φ = 66608906286000.

The previous prime is 66737000337067. The next prime is 66737000337121. The reversal of 66737000337071 is 17073300073766.

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

It is a cyclic number.

It is not a de Polignac number, because 66737000337071 - 2² = 66737000337067 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 (66737000333071) 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, 64047024755 + ... + 64047025796.

It is an arithmetic number, because the mean of its divisors is an integer number (16716273597036).

Almost surely, 2^{66737000337071} is an apocalyptic number.

66737000337071 is a deficient number, since it is larger than the sum of its proper divisors (128094051073).

66737000337071 is a wasteful number, since it uses less digits than its factorization.

66737000337071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128094051072.

The product of its (nonzero) digits is 2333772, while the sum is 50.

The spelling of 66737000337071 in words is "sixty-six trillion, seven hundred thirty-seven billion, three hundred thirty-seven thousand, seventy-one".