165481683 has 8 divisors (see below), whose sum is σ = 220709328. Its totient is φ = 110287584.

The previous prime is 165481681. The next prime is 165481691. The reversal of 165481683 is 386184561.

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

It is not a de Polignac number, because 165481683 - 2¹ = 165481681 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (165481681) 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, 7341 + ... + 19617.

It is an arithmetic number, because the mean of its divisors is an integer number (27588666).

Almost surely, 2^165481683 is an apocalyptic number.

165481683 is a deficient number, since it is larger than the sum of its proper divisors (55227645).

165481683 is a wasteful number, since it uses less digits than its factorization.

165481683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16773.

The product of its digits is 138240, while the sum is 42.

The square root of 165481683 is about 12863.9684001478. The cubic root of 165481683 is about 549.0138615815.

The spelling of 165481683 in words is "one hundred sixty-five million, four hundred eighty-one thousand, six hundred eighty-three".