165262231 has 8 divisors (see below), whose sum is σ = 168058800. Its totient is φ = 162486720.

The previous prime is 165262217. The next prime is 165262261. The reversal of 165262231 is 132262561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165262231 - 2¹⁷ = 165131159 is a prime.

It is a super-2 number, since 2×165262231² = 54623209990194722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165262231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165262211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10980 + ... + 21238.

It is an arithmetic number, because the mean of its divisors is an integer number (21007350).

Almost surely, 2^165262231 is an apocalyptic number.

165262231 is a deficient number, since it is larger than the sum of its proper divisors (2796569).

165262231 is a wasteful number, since it uses less digits than its factorization.

165262231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10529.

The product of its digits is 4320, while the sum is 28.

The square root of 165262231 is about 12855.4358541436. The cubic root of 165262231 is about 548.7710643409.

The spelling of 165262231 in words is "one hundred sixty-five million, two hundred sixty-two thousand, two hundred thirty-one".