66171125173301 has 8 divisors (see below), whose sum is σ = 67799148574080. Its totient is φ = 64552273735968.

The previous prime is 66171125173277. The next prime is 66171125173333. The reversal of 66171125173301 is 10337152117166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66171125173301 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 (66171125173801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292976256 + ... + 2293005113.

It is an arithmetic number, because the mean of its divisors is an integer number (8474893571760).

Almost surely, 2^{66171125173301} is an apocalyptic number.

It is an amenable number.

66171125173301 is a deficient number, since it is larger than the sum of its proper divisors (1628023400779).

66171125173301 is a wasteful number, since it uses less digits than its factorization.

66171125173301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585981723.

The product of its (nonzero) digits is 158760, while the sum is 44.

The spelling of 66171125173301 in words is "sixty-six trillion, one hundred seventy-one billion, one hundred twenty-five million, one hundred seventy-three thousand, three hundred one".