165276163 has 4 divisors (see below), whose sum is σ = 177989728. Its totient is φ = 152562600.

The previous prime is 165276127. The next prime is 165276179. The reversal of 165276163 is 361672561.

165276163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165276163 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165276103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6356763 + ... + 6356788.

It is an arithmetic number, because the mean of its divisors is an integer number (44497432).

Almost surely, 2^165276163 is an apocalyptic number.

165276163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

165276163 is a deficient number, since it is larger than the sum of its proper divisors (12713565).

165276163 is a wasteful number, since it uses less digits than its factorization.

165276163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12713564.

The product of its digits is 45360, while the sum is 37.

The square root of 165276163 is about 12855.9777146664. The cubic root of 165276163 is about 548.7864848105.

It can be divided in two parts, 1652 and 76163, that added together give a triangular number (77815 = T₃₉₄).

The spelling of 165276163 in words is "one hundred sixty-five million, two hundred seventy-six thousand, one hundred sixty-three".