168505132 has 24 divisors (see below), whose sum is σ = 303334416. Its totient is φ = 81859008.

The previous prime is 168505123. The next prime is 168505147. The reversal of 168505132 is 231505861.

It is a junction number, because it is equal to n+sod(n) for n = 168505094 and 168505103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31398 + ... + 36370.

It is an arithmetic number, because the mean of its divisors is an integer number (12638934).

Almost surely, 2^168505132 is an apocalyptic number.

It is an amenable number.

168505132 is a deficient number, since it is larger than the sum of its proper divisors (134829284).

168505132 is a wasteful number, since it uses less digits than its factorization.

168505132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217 (or 5215 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 168505132 is about 12980.9526614960. The cubic root of 168505132 is about 552.3373060955.

The spelling of 168505132 in words is "one hundred sixty-eight million, five hundred five thousand, one hundred thirty-two".