168361164 has 72 divisors (see below), whose sum is σ = 435052800. Its totient is φ = 54885600.

The previous prime is 168361163. The next prime is 168361177. The reversal of 168361164 is 461163861.

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 (168361163) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 508479 + ... + 508809.

It is an arithmetic number, because the mean of its divisors is an integer number (6042400).

Almost surely, 2^168361164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168361164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217526400).

168361164 is an abundant number, since it is smaller than the sum of its proper divisors (266691636).

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

168361164 is a wasteful number, since it uses less digits than its factorization.

168361164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 606 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 168361164 is about 12975.4061208118. The cubic root of 168361164 is about 552.1799586532.

The spelling of 168361164 in words is "one hundred sixty-eight million, three hundred sixty-one thousand, one hundred sixty-four".