165236027 has 24 divisors (see below), whose sum is σ = 195956880. Its totient is φ = 138758400.

The previous prime is 165236023. The next prime is 165236047. The reversal of 165236027 is 720632561.

It is not a de Polignac number, because 165236027 - 2² = 165236023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165235984 and 165236002.

It is not an unprimeable number, because it can be changed into a prime (165236023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93383 + ... + 95135.

It is an arithmetic number, because the mean of its divisors is an integer number (8164870).

Almost surely, 2^165236027 is an apocalyptic number.

165236027 is a deficient number, since it is larger than the sum of its proper divisors (30720853).

165236027 is a wasteful number, since it uses less digits than its factorization.

165236027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 165236027 is about 12854.4166339823. The cubic root of 165236027 is about 548.7420584049.

Adding to 165236027 its reverse (720632561), we get a palindrome (885868588).

The spelling of 165236027 in words is "one hundred sixty-five million, two hundred thirty-six thousand, twenty-seven".