168716766480 has 80 divisors (see below), whose sum is σ = 523486078080. Its totient is φ = 44951215104.

The previous prime is 168716766473. The next prime is 168716766499. The reversal of 168716766480 is 84667617861.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40372 + ... + 582291.

It is an arithmetic number, because the mean of its divisors is an integer number (6543575976).

Almost surely, 2^168716766480 is an apocalyptic number.

168716766480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168716766480 is an abundant number, since it is smaller than the sum of its proper divisors (354769311600).

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

168716766480 is a wasteful number, since it uses less digits than its factorization.

168716766480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623808 (or 623802 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 168716766480 in words is "one hundred sixty-eight billion, seven hundred sixteen million, seven hundred sixty-six thousand, four hundred eighty".