165461241 has 32 divisors (see below), whose sum is σ = 252361728. Its totient is φ = 95451840.

The previous prime is 165461239. The next prime is 165461293. The reversal of 165461241 is 142164561.

It is not a de Polignac number, because 165461241 - 2¹ = 165461239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165461199 and 165461208.

It is not an unprimeable number, because it can be changed into a prime (165461441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209850 + ... + 210636.

It is an arithmetic number, because the mean of its divisors is an integer number (7886304).

Almost surely, 2^165461241 is an apocalyptic number.

165461241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

165461241 is a deficient number, since it is larger than the sum of its proper divisors (86900487).

165461241 is a wasteful number, since it uses less digits than its factorization.

165461241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101.

The product of its digits is 5760, while the sum is 30.

The square root of 165461241 is about 12863.1738307464. The cubic root of 165461241 is about 548.9912540370.

The spelling of 165461241 in words is "one hundred sixty-five million, four hundred sixty-one thousand, two hundred forty-one".