168834733540 has 96 divisors (see below), whose sum is σ = 388489457664. Its totient is φ = 61124568960.

The previous prime is 168834733519. The next prime is 168834733541. The reversal of 168834733540 is 45337438861.

It is not an unprimeable number, because it can be changed into a prime (168834733541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53309037 + ... + 53312203.

It is an arithmetic number, because the mean of its divisors is an integer number (4046765184).

Almost surely, 2^168834733540 is an apocalyptic number.

168834733540 is a gapful number since it is divisible by the number (10) 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 168834733540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194244728832).

168834733540 is an abundant number, since it is smaller than the sum of its proper divisors (219654724124).

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

168834733540 is a wasteful number, since it uses less digits than its factorization.

168834733540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177 (or 4175 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 168834733540 in words is "one hundred sixty-eight billion, eight hundred thirty-four million, seven hundred thirty-three thousand, five hundred forty".