165930012 has 24 divisors (see below), whose sum is σ = 430189200. Its totient is φ = 55309968.

The previous prime is 165930001. The next prime is 165930019. The reversal of 165930012 is 210039561.

165930012 is a `hidden beast` number, since 1 + 659 + 3 + 0 + 0 + 1 + 2 = 666.

165930012 is digitally balanced in base 2, 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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165930019) 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, 768087 + ... + 768302.

It is an arithmetic number, because the mean of its divisors is an integer number (17924550).

Almost surely, 2^165930012 is an apocalyptic number.

165930012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165930012 is an abundant number, since it is smaller than the sum of its proper divisors (264259188).

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

165930012 is a wasteful number, since it uses less digits than its factorization.

165930012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536402 (or 1536394 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 165930012 is about 12881.3823792324. The cubic root of 165930012 is about 549.5092172855.

Adding to 165930012 its reverse (210039561), we get a palindrome (375969573).

The spelling of 165930012 in words is "one hundred sixty-five million, nine hundred thirty thousand, twelve".