168535073 has 16 divisors (see below), whose sum is σ = 203898240. Its totient is φ = 136080000.

The previous prime is 168535061. The next prime is 168535079. The reversal of 168535073 is 370535861.

It is not a de Polignac number, because 168535073 - 2⁴ = 168535057 is a prime.

It is a super-3 number, since 3×168535073³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (168535079) 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, 20573 + ... + 27573.

It is an arithmetic number, because the mean of its divisors is an integer number (12743640).

Almost surely, 2^168535073 is an apocalyptic number.

It is an amenable number.

168535073 is a deficient number, since it is larger than the sum of its proper divisors (35363167).

168535073 is a wasteful number, since it uses less digits than its factorization.

168535073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7208.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 168535073 is about 12982.1058769369. The cubic root of 168535073 is about 552.3700183571.

The spelling of 168535073 in words is "one hundred sixty-eight million, five hundred thirty-five thousand, seventy-three".