165240460 has 96 divisors (see below), whose sum is σ = 439971840. Its totient is φ = 50630400.

The previous prime is 165240457. The next prime is 165240461. The reversal of 165240460 is 64042561.

165240460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (165240461) 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, 93061 + ... + 94819.

It is an arithmetic number, because the mean of its divisors is an integer number (4583040).

Almost surely, 2^165240460 is an apocalyptic number.

165240460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165240460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219985920).

165240460 is an abundant number, since it is smaller than the sum of its proper divisors (274731380).

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

165240460 is a wasteful number, since it uses less digits than its factorization.

165240460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847 (or 1845 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 165240460 is about 12854.5890638324. The cubic root of 165240460 is about 548.7469656313.

The spelling of 165240460 in words is "one hundred sixty-five million, two hundred forty thousand, four hundred sixty".