165230465 has 16 divisors (see below), whose sum is σ = 205079040. Its totient is φ = 127666560.

The previous prime is 165230453. The next prime is 165230489. The reversal of 165230465 is 564032561.

165230465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165230465 - 2⁴ = 165230449 is a prime.

It is a super-2 number, since 2×165230465² = 54602213128232450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127541 + ... + 128829.

It is an arithmetic number, because the mean of its divisors is an integer number (12817440).

Almost surely, 2^165230465 is an apocalyptic number.

It is an amenable number.

165230465 is a deficient number, since it is larger than the sum of its proper divisors (39848575).

165230465 is a wasteful number, since it uses less digits than its factorization.

165230465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 165230465 is about 12854.2002862877. The cubic root of 165230465 is about 548.7359012780.

The spelling of 165230465 in words is "one hundred sixty-five million, two hundred thirty thousand, four hundred sixty-five".