671135376024120 has 256 divisors, whose sum is σ = 2307078008294400. Its totient is φ = 152999625461760.

The previous prime is 671135376024109. The next prime is 671135376024143. The reversal of 671135376024120 is 21420673531176.

It is a self number, because there is not a number n which added to its sum of digits gives 671135376024120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3271669716 + ... + 3271874844.

It is an arithmetic number, because the mean of its divisors is an integer number (9012023469900).

Almost surely, 2^{671135376024120} is an apocalyptic number.

671135376024120 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 671135376024120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1153539004147200).

671135376024120 is an abundant number, since it is smaller than the sum of its proper divisors (1635942632270280).

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

671135376024120 is a wasteful number, since it uses less digits than its factorization.

671135376024120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215358 (or 215354 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 671135376024120 in words is "six hundred seventy-one trillion, one hundred thirty-five billion, three hundred seventy-six million, twenty-four thousand, one hundred twenty".