165053241 has 16 divisors (see below), whose sum is σ = 245398720. Its totient is φ = 109641600.

The previous prime is 165053233. The next prime is 165053243. The reversal of 165053241 is 142350561.

165053241 is a `hidden beast` number, since 1 + 650 + 5 + 3 + 2 + 4 + 1 = 666.

165053241 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 165053241 - 2³ = 165053233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165053243) 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, 3160 + ... + 18441.

It is an arithmetic number, because the mean of its divisors is an integer number (15337420).

Almost surely, 2^165053241 is an apocalyptic number.

It is an amenable number.

165053241 is a deficient number, since it is larger than the sum of its proper divisors (80345479).

165053241 is a wasteful number, since it uses less digits than its factorization.

165053241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21893 (or 21887 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 165053241 is about 12847.3048146294. The cubic root of 165053241 is about 548.5396421489.

The spelling of 165053241 in words is "one hundred sixty-five million, fifty-three thousand, two hundred forty-one".