168801044560 has 20 divisors (see below), whose sum is σ = 392462428788. Its totient is φ = 67520417792.

The previous prime is 168801044549. The next prime is 168801044561. The reversal of 168801044560 is 65440108861.

It can be written as a sum of positive squares in 2 ways, for example, as 80161464384 + 88639580176 = 283128^2 + 297724^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168801044561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055006449 + ... + 1055006608.

Almost surely, 2^168801044560 is an apocalyptic number.

168801044560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168801044560 is an abundant number, since it is smaller than the sum of its proper divisors (223661384228).

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

168801044560 is a wasteful number, since it uses less digits than its factorization.

168801044560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110013070 (or 2110013064 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 168801044560 in words is "one hundred sixty-eight billion, eight hundred one million, forty-four thousand, five hundred sixty".