165693141 has 32 divisors (see below), whose sum is σ = 256332800. Its totient is φ = 105675840.

The previous prime is 165693139. The next prime is 165693161. The reversal of 165693141 is 141396561.

It is not a de Polignac number, because 165693141 - 2¹ = 165693139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165693096 and 165693105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165693161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59580 + ... + 62298.

It is an arithmetic number, because the mean of its divisors is an integer number (8010400).

Almost surely, 2^165693141 is an apocalyptic number.

It is an amenable number.

165693141 is a deficient number, since it is larger than the sum of its proper divisors (90639659).

165693141 is a wasteful number, since it uses less digits than its factorization.

165693141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826 (or 2820 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 165693141 is about 12872.1847795936. The cubic root of 165693141 is about 549.2476114378.

The spelling of 165693141 in words is "one hundred sixty-five million, six hundred ninety-three thousand, one hundred forty-one".