168365847936 has 1024 divisors, whose sum is σ = 587630453760. Its totient is φ = 41916825600.

The previous prime is 168365847931. The next prime is 168365847973. The reversal of 168365847936 is 639748563861.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168365847931) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2028504151 + ... + 2028504233.

It is an arithmetic number, because the mean of its divisors is an integer number (573857865).

Almost surely, 2^168365847936 is an apocalyptic number.

168365847936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168365847936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293815226880).

168365847936 is an abundant number, since it is smaller than the sum of its proper divisors (419264605824).

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

168365847936 is a wasteful number, since it uses less digits than its factorization.

168365847936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 223 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 66.

The spelling of 168365847936 in words is "one hundred sixty-eight billion, three hundred sixty-five million, eight hundred forty-seven thousand, nine hundred thirty-six".