9814351112165 has 16 divisors (see below), whose sum is σ = 11918046847728. Its totient is φ = 7757861308416.

The previous prime is 9814351112131. The next prime is 9814351112173. The reversal of 9814351112165 is 5612111534189.

It can be written as a sum of positive squares in 8 ways, for example, as 1139859440164 + 8674491672001 = 1067642^2 + 2945249^2 .

It is a cyclic number.

It is not a de Polignac number, because 9814351112165 - 2¹² = 9814351108069 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16208222 + ... + 16802831.

It is an arithmetic number, because the mean of its divisors is an integer number (744877927983).

Almost surely, 2^{9814351112165} is an apocalyptic number.

It is an amenable number.

9814351112165 is a deficient number, since it is larger than the sum of its proper divisors (2103695735563).

9814351112165 is a wasteful number, since it uses less digits than its factorization.

9814351112165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33011768.

The product of its digits is 259200, while the sum is 47.

The spelling of 9814351112165 in words is "nine trillion, eight hundred fourteen billion, three hundred fifty-one million, one hundred twelve thousand, one hundred sixty-five".