165335322753 has 6 divisors (see below), whose sum is σ = 238817688434. Its totient is φ = 110223548496.

The previous prime is 165335322751. The next prime is 165335322781. The reversal of 165335322753 is 357223533561.

165335322753 is a `hidden beast` number, since 1 + 65 + 3 + 3 + 532 + 2 + 7 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 139959788544 + 25375534209 = 374112^2 + 159297^2 .

It is not a de Polignac number, because 165335322753 - 2¹ = 165335322751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165335322699 and 165335322708.

It is not an unprimeable number, because it can be changed into a prime (165335322751) 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, 9185295700 + ... + 9185295717.

Almost surely, 2^165335322753 is an apocalyptic number.

It is an amenable number.

165335322753 is a deficient number, since it is larger than the sum of its proper divisors (73482365681).

165335322753 is a wasteful number, since it uses less digits than its factorization.

165335322753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18370591423 (or 18370591420 counting only the distinct ones).

The product of its digits is 1701000, while the sum is 45.

The spelling of 165335322753 in words is "one hundred sixty-five billion, three hundred thirty-five million, three hundred twenty-two thousand, seven hundred fifty-three".