165247330 has 16 divisors (see below), whose sum is σ = 299718144. Its totient is φ = 65593840.

The previous prime is 165247309. The next prime is 165247331. The reversal of 165247330 is 33742561.

It is a junction number, because it is equal to n+sod(n) for n = 165247292 and 165247301.

It is not an unprimeable number, because it can be changed into a prime (165247331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61762 + ... + 64381.

It is an arithmetic number, because the mean of its divisors is an integer number (18732384).

Almost surely, 2^165247330 is an apocalyptic number.

165247330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165247330 is a deficient number, since it is larger than the sum of its proper divisors (134470814).

165247330 is a wasteful number, since it uses less digits than its factorization.

165247330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126281.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 165247330 is about 12854.8562807991. The cubic root of 165247330 is about 548.7545703858.

Adding to 165247330 its reverse (33742561), we get a palindrome (198989891).

The spelling of 165247330 in words is "one hundred sixty-five million, two hundred forty-seven thousand, three hundred thirty".