165043111346104 has 32 divisors (see below), whose sum is σ = 309527897667120. Its totient is φ = 82502339751936.

The previous prime is 165043111346083. The next prime is 165043111346167. The reversal of 165043111346104 is 401643111340561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1889986587 + ... + 1890073909.

Almost surely, 2^{165043111346104} is an apocalyptic number.

It is an amenable number.

165043111346104 is a deficient number, since it is larger than the sum of its proper divisors (144484786321016).

165043111346104 is a wasteful number, since it uses less digits than its factorization.

165043111346104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139639 (or 139635 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

Adding to 165043111346104 its reverse (401643111340561), we get a palindrome (566686222686665).

The spelling of 165043111346104 in words is "one hundred sixty-five trillion, forty-three billion, one hundred eleven million, three hundred forty-six thousand, one hundred four".