165034103028541 has 4 divisors (see below), whose sum is σ = 165034677449500. Its totient is φ = 165033528607584.

The previous prime is 165034103028539. The next prime is 165034103028547. The reversal of 165034103028541 is 145820301430561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34342998884100 + 130691104144441 = 5860290^2 + 11432021^2 .

It is a cyclic number.

It is not a de Polignac number, because 165034103028541 - 2¹ = 165034103028539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165034103028547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286779306 + ... + 287354203.

It is an arithmetic number, because the mean of its divisors is an integer number (41258669362375).

Almost surely, 2^{165034103028541} is an apocalyptic number.

It is an amenable number.

165034103028541 is a deficient number, since it is larger than the sum of its proper divisors (574420959).

165034103028541 is an equidigital number, since it uses as much as digits as its factorization.

165034103028541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574420958.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 165034103028541 in words is "one hundred sixty-five trillion, thirty-four billion, one hundred three million, twenty-eight thousand, five hundred forty-one".