165214035250216 has 32 divisors (see below), whose sum is σ = 312640689093480. Its totient is φ = 81846664704000.

The previous prime is 165214035250181. The next prime is 165214035250289. The reversal of 165214035250216 is 612052530412561.

It can be written as a sum of positive squares in 4 ways, for example, as 160228862687716 + 4985172562500 = 12658154^2 + 2232750^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217112385 + ... + 217872016.

Almost surely, 2^{165214035250216} is an apocalyptic number.

It is an amenable number.

165214035250216 is a deficient number, since it is larger than the sum of its proper divisors (147426653843264).

165214035250216 is a wasteful number, since it uses less digits than its factorization.

165214035250216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434984845 (or 434984841 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

Adding to 165214035250216 its reverse (612052530412561), we get a palindrome (777266565662777).

The spelling of 165214035250216 in words is "one hundred sixty-five trillion, two hundred fourteen billion, thirty-five million, two hundred fifty thousand, two hundred sixteen".