165247061 has 12 divisors (see below), whose sum is σ = 192444768. Its totient is φ = 141479352.

The previous prime is 165247039. The next prime is 165247067. The reversal of 165247061 is 160742561.

It is not a de Polignac number, because 165247061 - 2⁶ = 165246997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165247067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65750 + ... + 68216.

It is an arithmetic number, because the mean of its divisors is an integer number (16037064).

Almost surely, 2^165247061 is an apocalyptic number.

It is an amenable number.

165247061 is a deficient number, since it is larger than the sum of its proper divisors (27197707).

165247061 is a wasteful number, since it uses less digits than its factorization.

165247061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848 (or 3841 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 165247061 is about 12854.8458178229. The cubic root of 165247061 is about 548.7542726199.

The spelling of 165247061 in words is "one hundred sixty-five million, two hundred forty-seven thousand, sixty-one".