165041144212 has 12 divisors (see below), whose sum is σ = 330082288480. Its totient is φ = 70731918936.

The previous prime is 165041144159. The next prime is 165041144291. The reversal of 165041144212 is 212441140561.

165041144212 is an admirable number.

It is a super-2 number, since 2×165041144212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2947163262 + ... + 2947163317.

Almost surely, 2^165041144212 is an apocalyptic number.

It is an amenable number.

165041144212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

165041144212 is a wasteful number, since it uses less digits than its factorization.

165041144212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894326590 (or 5894326588 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 165041144212 its reverse (212441140561), we get a palindrome (377482284773).

The spelling of 165041144212 in words is "one hundred sixty-five billion, forty-one million, one hundred forty-four thousand, two hundred twelve".