165162241 has 8 divisors (see below), whose sum is σ = 172488960. Its totient is φ = 157847712.

The previous prime is 165162233. The next prime is 165162247. The reversal of 165162241 is 142261561.

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

It is not a de Polignac number, because 165162241 - 2³ = 165162233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165162247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34776 + ... + 39238.

It is an arithmetic number, because the mean of its divisors is an integer number (21561120).

Almost surely, 2^165162241 is an apocalyptic number.

It is an amenable number.

165162241 is a deficient number, since it is larger than the sum of its proper divisors (7326719).

165162241 is a wasteful number, since it uses less digits than its factorization.

165162241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6095.

The product of its digits is 2880, while the sum is 28.

The square root of 165162241 is about 12851.5462493818. The cubic root of 165162241 is about 548.6603661521.

The spelling of 165162241 in words is "one hundred sixty-five million, one hundred sixty-two thousand, two hundred forty-one".