165015121050106 has 16 divisors (see below), whose sum is σ = 252212489461800. Its totient is φ = 80944532817408.

The previous prime is 165015121050103. The next prime is 165015121050107. The reversal of 165015121050106 is 601050121510561.

165015121050106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 138942445138225 + 26072675911881 = 11787385^2 + 5106141^2 .

It is a super-2 number, since 2×165015121050106² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165015121050103) 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, 59024271 + ... + 61756738.

Almost surely, 2^{165015121050106} is an apocalyptic number.

165015121050106 is a deficient number, since it is larger than the sum of its proper divisors (87197368411694).

165015121050106 is a wasteful number, since it uses less digits than its factorization.

165015121050106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120793953.

The product of its (nonzero) digits is 9000, while the sum is 34.

Adding to 165015121050106 its reverse (601050121510561), we get a palindrome (766065242560667).

The spelling of 165015121050106 in words is "one hundred sixty-five trillion, fifteen billion, one hundred twenty-one million, fifty thousand, one hundred six".