168109552 has 40 divisors (see below), whose sum is σ = 351557360. Its totient is φ = 77414400.

The previous prime is 168109547. The next prime is 168109567. The reversal of 168109552 is 255901861.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 159427 + ... + 160477.

It is an arithmetic number, because the mean of its divisors is an integer number (8788934).

Almost surely, 2^168109552 is an apocalyptic number.

It is an amenable number.

168109552 is an abundant number, since it is smaller than the sum of its proper divisors (183447808).

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

168109552 is a wasteful number, since it uses less digits than its factorization.

168109552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841 (or 1835 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 168109552 is about 12965.7067682406. The cubic root of 168109552 is about 551.9047479697.

It can be divided in two parts, 16810 and 9552, that added together give a palindrome (26362).

The spelling of 168109552 in words is "one hundred sixty-eight million, one hundred nine thousand, five hundred fifty-two".