65221051170117 has 8 divisors (see below), whose sum is σ = 86962042933920. Its totient is φ = 43480380093200.

The previous prime is 65221051170061. The next prime is 65221051170127. The reversal of 65221051170117 is 71107115012256.

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

It is a cyclic number.

It is not a de Polignac number, because 65221051170117 - 2¹¹ = 65221051168069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65221051170127) 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, 79696767 + ... + 80510972.

It is an arithmetic number, because the mean of its divisors is an integer number (10870255366740).

Almost surely, 2^{65221051170117} is an apocalyptic number.

It is an amenable number.

65221051170117 is a deficient number, since it is larger than the sum of its proper divisors (21740991763803).

65221051170117 is a wasteful number, since it uses less digits than its factorization.

65221051170117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160343443.

The product of its (nonzero) digits is 29400, while the sum is 39.

The spelling of 65221051170117 in words is "sixty-five trillion, two hundred twenty-one billion, fifty-one million, one hundred seventy thousand, one hundred seventeen".