168361092 has 42 divisors (see below), whose sum is σ = 441753438. Its totient is φ = 56119392.

The previous prime is 168361051. The next prime is 168361139. The reversal of 168361092 is 290163861.

It can be written as a sum of positive squares in only one way, i.e., 112021056 + 56340036 = 10584^2 + 7506^2 .

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

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 13 ways as a sum of consecutive naturals, for example, 25953 + ... + 31784.

It is an arithmetic number, because the mean of its divisors is an integer number (10517939).

Almost surely, 2^168361092 is an apocalyptic number.

168361092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168361092 is an abundant number, since it is smaller than the sum of its proper divisors (273392346).

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

168361092 is an equidigital number, since it uses as much as digits as its factorization.

168361092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57759 (or 57742 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 168361092 is about 12975.4033463319. The cubic root of 168361092 is about 552.1798799396.

The spelling of 168361092 in words is "one hundred sixty-eight million, three hundred sixty-one thousand, ninety-two".