165955027 has 16 divisors (see below), whose sum is σ = 196033792. Its totient is φ = 137518560.

The previous prime is 165955001. The next prime is 165955033. The reversal of 165955027 is 720559561.

165955027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 165955027 - 2¹⁵ = 165922259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165955057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40252 + ... + 44182.

It is an arithmetic number, because the mean of its divisors is an integer number (12252112).

Almost surely, 2^165955027 is an apocalyptic number.

165955027 is a deficient number, since it is larger than the sum of its proper divisors (30078765).

165955027 is a wasteful number, since it uses less digits than its factorization.

165955027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138.

The product of its (nonzero) digits is 94500, while the sum is 40.

The square root of 165955027 is about 12882.3533176202. The cubic root of 165955027 is about 549.5368298959.

The spelling of 165955027 in words is "one hundred sixty-five million, nine hundred fifty-five thousand, twenty-seven".