165106641534145 has 8 divisors (see below), whose sum is σ = 203482779836904. Its totient is φ = 128515439896704.

The previous prime is 165106641534143. The next prime is 165106641534167. The reversal of 165106641534145 is 541435146601561.

It can be written as a sum of positive squares in 4 ways, for example, as 5623310307904 + 159483331226241 = 2371352^2 + 12628671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165106641534145 - 2¹ = 165106641534143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165106641534092 and 165106641534101.

It is not an unprimeable number, because it can be changed into a prime (165106641534143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446234166124 + ... + 446234166493.

It is an arithmetic number, because the mean of its divisors is an integer number (25435347479613).

Almost surely, 2^{165106641534145} is an apocalyptic number.

It is an amenable number.

165106641534145 is a deficient number, since it is larger than the sum of its proper divisors (38376138302759).

165106641534145 is an equidigital number, since it uses as much as digits as its factorization.

165106641534145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892468332659.

The product of its (nonzero) digits is 5184000, while the sum is 52.

The spelling of 165106641534145 in words is "one hundred sixty-five trillion, one hundred six billion, six hundred forty-one million, five hundred thirty-four thousand, one hundred forty-five".