168001709040 has 160 divisors (see below), whose sum is σ = 631279238400. Its totient is φ = 40727681280.

The previous prime is 168001709023. The next prime is 168001709069. The reversal of 168001709040 is 40907100861.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 168001708986 and 168001709004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3511630 + ... + 3559149.

It is an arithmetic number, because the mean of its divisors is an integer number (3945495240).

Almost surely, 2^168001709040 is an apocalyptic number.

168001709040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168001709040 is an abundant number, since it is smaller than the sum of its proper divisors (463277529360).

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

168001709040 is a wasteful number, since it uses less digits than its factorization.

168001709040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7070812 (or 7070800 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 168001709040 in words is "one hundred sixty-eight billion, one million, seven hundred nine thousand, forty".