168471726072 has 64 divisors (see below), whose sum is σ = 459791179680. Its totient is φ = 51127345152.

The previous prime is 168471726067. The next prime is 168471726097. The reversal of 168471726072 is 270627174861.

It is a congruent number.

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, 3675673 + ... + 3721224.

Almost surely, 2^168471726072 is an apocalyptic number.

168471726072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168471726072 is an abundant number, since it is smaller than the sum of its proper divisors (291319453608).

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

168471726072 is a wasteful number, since it uses less digits than its factorization.

168471726072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7396992 (or 7396988 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 51.

The spelling of 168471726072 in words is "one hundred sixty-eight billion, four hundred seventy-one million, seven hundred twenty-six thousand, seventy-two".