97816517165 has 8 divisors (see below), whose sum is σ = 118794035808. Its totient is φ = 77310403600.

The previous prime is 97816517159. The next prime is 97816517167. The reversal of 97816517165 is 56171561879.

It is a happy number.

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

It is not a de Polignac number, because 97816517165 - 2¹⁰ = 97816516141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97816517165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97816517167) 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, 117850811 + ... + 117851640.

It is an arithmetic number, because the mean of its divisors is an integer number (14849254476).

Almost surely, 2^97816517165 is an apocalyptic number.

It is an amenable number.

97816517165 is a deficient number, since it is larger than the sum of its proper divisors (20977518643).

97816517165 is a wasteful number, since it uses less digits than its factorization.

97816517165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235702539.

The product of its digits is 3175200, while the sum is 56.

The spelling of 97816517165 in words is "ninety-seven billion, eight hundred sixteen million, five hundred seventeen thousand, one hundred sixty-five".