671172526080 has 600 divisors, whose sum is σ = 2680059512832. Its totient is φ = 152202903552.

The previous prime is 671172526049. The next prime is 671172526159. The reversal of 671172526080 is 80625271176.

671172526080 is a `hidden beast` number, since 6 + 7 + 1 + 17 + 25 + 2 + 608 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5284822977 + ... + 5284823103.

Almost surely, 2^671172526080 is an apocalyptic number.

671172526080 is a gapful number since it is divisible by the number (60) 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 671172526080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340029756416).

671172526080 is an abundant number, since it is smaller than the sum of its proper divisors (2008886986752).

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

671172526080 is an frugal number, since it uses more digits than its factorization.

671172526080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 671172526080 in words is "six hundred seventy-one billion, one hundred seventy-two million, five hundred twenty-six thousand, eighty".