165143502500013 has 8 divisors (see below), whose sum is σ = 244657040740800. Its totient is φ = 110095668333324.

The previous prime is 165143502499933. The next prime is 165143502500017. The reversal of 165143502500013 is 310005205341561.

165143502500013 is a `hidden beast` number, since 1 + 6 + 5 + 143 + 5 + 0 + 2 + 500 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 165143502500013 - 2⁸ = 165143502499757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165143502500017) 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, 3058213009233 + ... + 3058213009286.

It is an arithmetic number, because the mean of its divisors is an integer number (30582130092600).

Almost surely, 2^{165143502500013} is an apocalyptic number.

It is an amenable number.

165143502500013 is a deficient number, since it is larger than the sum of its proper divisors (79513538240787).

165143502500013 is an equidigital number, since it uses as much as digits as its factorization.

165143502500013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116426018528 (or 6116426018522 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 165143502500013 its reverse (310005205341561), we get a palindrome (475148707841574).

The spelling of 165143502500013 in words is "one hundred sixty-five trillion, one hundred forty-three billion, five hundred two million, five hundred thousand, thirteen".