168728501760 has 640 divisors, whose sum is σ = 669461151744. Its totient is φ = 35300966400.

The previous prime is 168728501729. The next prime is 168728501789. The reversal of 168728501760 is 67105827861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88756810 + ... + 88758710.

Almost surely, 2^168728501760 is an apocalyptic number.

168728501760 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 168728501760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334730575872).

168728501760 is an abundant number, since it is smaller than the sum of its proper divisors (500732649984).

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

168728501760 is a wasteful number, since it uses less digits than its factorization.

168728501760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074 (or 2058 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 168728501760 in words is "one hundred sixty-eight billion, seven hundred twenty-eight million, five hundred one thousand, seven hundred sixty".