165136063 has 4 divisors (see below), whose sum is σ = 170830440. Its totient is φ = 159441688.

The previous prime is 165136061. The next prime is 165136073. The reversal of 165136063 is 360631561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165136063 - 2¹ = 165136061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165136061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2847145 + ... + 2847202.

It is an arithmetic number, because the mean of its divisors is an integer number (42707610).

Almost surely, 2^165136063 is an apocalyptic number.

165136063 is a deficient number, since it is larger than the sum of its proper divisors (5694377).

165136063 is an equidigital number, since it uses as much as digits as its factorization.

165136063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694376.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 165136063 is about 12850.5277323540. The cubic root of 165136063 is about 548.6313773028.

The spelling of 165136063 in words is "one hundred sixty-five million, one hundred thirty-six thousand, sixty-three".