168906532 has 12 divisors (see below), whose sum is σ = 301875840. Its totient is φ = 82656296.

The previous prime is 168906497. The next prime is 168906541. The reversal of 168906532 is 235609861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449032 + ... + 449407.

It is an arithmetic number, because the mean of its divisors is an integer number (25156320).

Almost surely, 2^168906532 is an apocalyptic number.

It is an amenable number.

168906532 is a deficient number, since it is larger than the sum of its proper divisors (132969308).

168906532 is a wasteful number, since it uses less digits than its factorization.

168906532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898490 (or 898488 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 168906532 is about 12996.4045797290. The cubic root of 168906532 is about 552.7755368272.

The spelling of 168906532 in words is "one hundred sixty-eight million, nine hundred six thousand, five hundred thirty-two".