168506364 has 96 divisors (see below), whose sum is σ = 450016000. Its totient is φ = 48646656.

The previous prime is 168506341. The next prime is 168506389. The reversal of 168506364 is 463605861.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411792 + ... + 412200.

Almost surely, 2^168506364 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 168506364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225008000).

168506364 is an abundant number, since it is smaller than the sum of its proper divisors (281509636).

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

168506364 is a wasteful number, since it uses less digits than its factorization.

168506364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 168506364 is about 12981.0001155535. Note that the first 3 decimals coincide. The cubic root of 168506364 is about 552.3386522027.

The spelling of 168506364 in words is "one hundred sixty-eight million, five hundred six thousand, three hundred sixty-four".