165563235231214 has 8 divisors (see below), whose sum is σ = 248410744302240. Its totient is φ = 82759653797136.

The previous prime is 165563235231209. The next prime is 165563235231223. The reversal of 165563235231214 is 412132532365561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×165563235231214² (a number of 29 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, 10981899814 + ... + 10981914889.

It is an arithmetic number, because the mean of its divisors is an integer number (31051343037780).

Almost surely, 2^{165563235231214} is an apocalyptic number.

165563235231214 is a deficient number, since it is larger than the sum of its proper divisors (82847509071026).

165563235231214 is a wasteful number, since it uses less digits than its factorization.

165563235231214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21963818474.

The product of its digits is 3888000, while the sum is 49.

Adding to 165563235231214 its reverse (412132532365561), we get a palindrome (577695767596775).

The spelling of 165563235231214 in words is "one hundred sixty-five trillion, five hundred sixty-three billion, two hundred thirty-five million, two hundred thirty-one thousand, two hundred fourteen".