165247000 has 32 divisors (see below), whose sum is σ = 386680320. Its totient is φ = 66098400.

The previous prime is 165246997. The next prime is 165247007. The reversal of 165247000 is 742561.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165247007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81624 + ... + 83623.

It is an arithmetic number, because the mean of its divisors is an integer number (12083760).

Almost surely, 2^165247000 is an apocalyptic number.

165247000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165247000 is an abundant number, since it is smaller than the sum of its proper divisors (221433320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165247000 is a wasteful number, since it uses less digits than its factorization.

165247000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165268 (or 165254 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 165247000 is about 12854.8434451766. The cubic root of 165247000 is about 548.7542050968.

Adding to 165247000 its reverse (742561), we get a palindrome (165989561).

The spelling of 165247000 in words is "one hundred sixty-five million, two hundred forty-seven thousand".