165234351236364 has 48 divisors (see below), whose sum is σ = 447010805283840. Its totient is φ = 52683416335440.

The previous prime is 165234351236351. The next prime is 165234351236369. The reversal of 165234351236364 is 463632153432561.

It is a happy number.

165234351236364 is a `hidden beast` number, since 1 + 6 + 5 + 2 + 3 + 4 + 3 + 512 + 3 + 63 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 165234351236364.

It is not an unprimeable number, because it can be changed into a prime (165234351236369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33259730052 + ... + 33259735019.

It is an arithmetic number, because the mean of its divisors is an integer number (9312725110080).

Almost surely, 2^{165234351236364} is an apocalyptic number.

It is an amenable number.

165234351236364 is an abundant number, since it is smaller than the sum of its proper divisors (281776454047476).

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

165234351236364 is a wasteful number, since it uses less digits than its factorization.

165234351236364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66519465107 (or 66519465099 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 54.

The spelling of 165234351236364 in words is "one hundred sixty-five trillion, two hundred thirty-four billion, three hundred fifty-one million, two hundred thirty-six thousand, three hundred sixty-four".