165412683885 has 16 divisors (see below), whose sum is σ = 264773404800. Its totient is φ = 88182394560.

The previous prime is 165412683853. The next prime is 165412683901. The reversal of 165412683885 is 588386214561.

It is not a de Polignac number, because 165412683885 - 2⁵ = 165412683853 is a prime.

It is a super-2 number, since 2×165412683885² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2320185 + ... + 2390414.

It is an arithmetic number, because the mean of its divisors is an integer number (16548337800).

Almost surely, 2^165412683885 is an apocalyptic number.

165412683885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165412683885 is a deficient number, since it is larger than the sum of its proper divisors (99360720915).

165412683885 is a wasteful number, since it uses less digits than its factorization.

165412683885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712948.

The product of its digits is 11059200, while the sum is 57.

The spelling of 165412683885 in words is "one hundred sixty-five billion, four hundred twelve million, six hundred eighty-three thousand, eight hundred eighty-five".