165045641406143 has 16 divisors (see below), whose sum is σ = 173259508294656. Its totient is φ = 156918345122880.

The previous prime is 165045641406119. The next prime is 165045641406161. The reversal of 165045641406143 is 341604146540561.

It is a cyclic number.

It is not a de Polignac number, because 165045641406143 - 2¹⁶ = 165045641340607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165045641406091 and 165045641406100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165045641406043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100058123 + ... + 101694243.

It is an arithmetic number, because the mean of its divisors is an integer number (10828719268416).

Almost surely, 2^{165045641406143} is an apocalyptic number.

165045641406143 is a deficient number, since it is larger than the sum of its proper divisors (8213866888513).

165045641406143 is a wasteful number, since it uses less digits than its factorization.

165045641406143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662574.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 165045641406143 in words is "one hundred sixty-five trillion, forty-five billion, six hundred forty-one million, four hundred six thousand, one hundred forty-three".