168803532 has 36 divisors (see below), whose sum is σ = 445252080. Its totient is φ = 53821152.

The previous prime is 168803527. The next prime is 168803533. The reversal of 168803532 is 235308861.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (168803533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101107 + ... + 102762.

Almost surely, 2^168803532 is an apocalyptic number.

168803532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168803532 is an abundant number, since it is smaller than the sum of its proper divisors (276448548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168803532 is a wasteful number, since it uses less digits than its factorization.

168803532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203902 (or 203897 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 168803532 is about 12992.4413410259. The cubic root of 168803532 is about 552.6631522699.

The spelling of 168803532 in words is "one hundred sixty-eight million, eight hundred three thousand, five hundred thirty-two".