168010521710135 has 32 divisors (see below), whose sum is σ = 226975535700480. Its totient is φ = 118458033902208.

The previous prime is 168010521710131. The next prime is 168010521710137. The reversal of 168010521710135 is 531017125010861.

It is not a de Polignac number, because 168010521710135 - 2² = 168010521710131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168010521710092 and 168010521710101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168010521710131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101907665 + ... + 103543194.

It is an arithmetic number, because the mean of its divisors is an integer number (7092985490640).

Almost surely, 2^{168010521710135} is an apocalyptic number.

168010521710135 is a deficient number, since it is larger than the sum of its proper divisors (58965013990345).

168010521710135 is a wasteful number, since it uses less digits than its factorization.

168010521710135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205451447.

The product of its (nonzero) digits is 50400, while the sum is 41.

Adding to 168010521710135 its reverse (531017125010861), we get a palindrome (699027646720996).

The spelling of 168010521710135 in words is "one hundred sixty-eight trillion, ten billion, five hundred twenty-one million, seven hundred ten thousand, one hundred thirty-five".