165043132633415 has 16 divisors (see below), whose sum is σ = 198714599580000. Its totient is φ = 131592975760512.

The previous prime is 165043132633397. The next prime is 165043132633469. The reversal of 165043132633415 is 514336231340561.

It is a cyclic number.

It is not a de Polignac number, because 165043132633415 - 2¹⁶ = 165043132567879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165043132633415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19068140 + ... + 26337809.

It is an arithmetic number, because the mean of its divisors is an integer number (12419662473750).

Almost surely, 2^{165043132633415} is an apocalyptic number.

165043132633415 is a deficient number, since it is larger than the sum of its proper divisors (33671466946585).

165043132633415 is a wasteful number, since it uses less digits than its factorization.

165043132633415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45408386.

The product of its (nonzero) digits is 2332800, while the sum is 47.

Adding to 165043132633415 its reverse (514336231340561), we get a palindrome (679379363973976).

The spelling of 165043132633415 in words is "one hundred sixty-five trillion, forty-three billion, one hundred thirty-two million, six hundred thirty-three thousand, four hundred fifteen".