165714073464173 has 6 divisors (see below), whose sum is σ = 179441866532394. Its totient is φ = 152966837043696.

The previous prime is 165714073464109. The next prime is 165714073464179. The reversal of 165714073464173 is 371464370417561.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 23365264740169 + 142348808724004 = 4833763^2 + 11931002^2 .

It is not a de Polignac number, because 165714073464173 - 2⁶ = 165714073464109 is a prime.

It is a super-2 number, since 2×165714073464173² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165714073464179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 490278323690 + ... + 490278324027.

It is an arithmetic number, because the mean of its divisors is an integer number (29906977755399).

Almost surely, 2^{165714073464173} is an apocalyptic number.

165714073464173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

165714073464173 is a deficient number, since it is larger than the sum of its proper divisors (13727793068221).

165714073464173 is an equidigital number, since it uses as much as digits as its factorization.

165714073464173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980556647743 (or 980556647730 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 59.

The spelling of 165714073464173 in words is "one hundred sixty-five trillion, seven hundred fourteen billion, seventy-three million, four hundred sixty-four thousand, one hundred seventy-three".