165034103028543 has 24 divisors (see below), whose sum is σ = 274582424649728. Its totient is φ = 93562641082512.

The previous prime is 165034103028539. The next prime is 165034103028547. The reversal of 165034103028543 is 345820301430561.

165034103028543 is a `hidden beast` number, since 1 + 6 + 50 + 3 + 4 + 1 + 0 + 30 + 28 + 543 = 666.

It is an interprime number because it is at equal distance from previous prime (165034103028539) and next prime (165034103028547).

It is not a de Polignac number, because 165034103028543 - 2² = 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 23 ways as a sum of consecutive naturals, for example, 10313334271 + ... + 10313350272.

Almost surely, 2^{165034103028543} is an apocalyptic number.

165034103028543 is a deficient number, since it is larger than the sum of its proper divisors (109548321621185).

165034103028543 is a wasteful number, since it uses less digits than its factorization.

165034103028543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20626684683 (or 20626684680 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 165034103028543 in words is "one hundred sixty-five trillion, thirty-four billion, one hundred three million, twenty-eight thousand, five hundred forty-three".